ISO/TR 12389:2009

TECHNICAL ISO/TR
REPORT 12389
First edition
2009-05-01

Methods of testing cement — Report of a
test programme — Chemical analysis by
x-ray fluorescence
Méthodes d'essai des ciments — Rapport d'un programme d'essais —
Analyse chimique par fluorescence X




Reference number
ISO/TR 12389:2009(E)
©
ISO 2009

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ISO/TR 12389:2009(E)
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ISO/TR 12389:2009(E)
Contents Page
Foreword .iv
Introduction.v
1 Scope .1
2 Test methods .1
2.1 General arrangements .1
2.2 Test method and constituents to be determined .2
3 Samples .2
3.1 Test samples.2
3.2 Calibration standards.2
3.3 Validation materials.2
3.4 Participating laboratories .3
4 Method for analysis of results.3
4.1 Statistics.3
4.2 Definition of Q-laboratories .4
5 Results and considerations.5
5.1 Laboratory number.5
5.2 Validation results for all laboratories .5
5.3 Test results of Q-laboratories .12
6 Conclusions .26
6.1 Result of test sample analyses .26
6.2 Factors affecting conformity with the validation criteria .27
6.3 Application to other international inter-laboratory testing .27
Annex A (informative) List of participating laboratories.28
Annex B (informative) Individual results of all laboratories .30
Annex C (informative) Questionnaire results.46
Annex D (informative) Other international inter-laboratory round-robin analyses of cement.48
Annex E (informative) Acknowledgements .51
Bibliography.52

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ISO/TR 12389:2009(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
In exceptional circumstances, when a technical committee has collected data of a different kind from that
which is normally published as an International Standard (“state of the art”, for example), it may decide by a
simple majority vote of its participating members to publish a Technical Report. A Technical Report is entirely
informative in nature and does not have to be reviewed until the data it provides are considered to be no
longer valid or useful.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO/TR 12389 was prepared by Technical Committee ISO/TC 74, Cement and lime.

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ISO/TR 12389:2009(E)
Introduction
This Technical Report summarizes the results of inter-laboratory testing of the chemical analysis of cement by
x-ray fluorescence undertaken by laboratories in Japan, in Asian countries and in Europe. This testing
programme was planned and conducted by the Committee on Cement Chemistry, Japan Cement Association
and extended to the members of ISO in Asia and members of CEN/TC 51/WG 15 (Revision of methods of
testing cement) in Europe. A total of 42 laboratories participated.
The wet method is a longstanding technique used for chemical analysis of cement. However, since this
manner of analysis is extremely time-consuming, more rapid methods have been investigated, leading to the
development of chemical analysis of cement by x-ray fluorescence (XRF method). As a result, Japanese
Industrial Standard JIS R 5204 was established in July 2002.
JIS R 5204 established a scheme to confirm the validity of calibration equations when the concentrations of a
pair of validation beads made from certified reference materials satisfy the criteria for both the repeatability
limits and accuracy limits specified in JIS R 5204. Use of this validation system improves the repeatability and
accuracy of results obtained by the JIS R 5204 method.
Since an International Standard for this analysis method had not yet been established, the Japanese National
Committee for ISO/TC 74 (J/TC 74) proposed the “Development of chemical analysis of cement by x-ray
fluorescence” to ISO/TC 74 in June 2004. The English version of JIS R 5204 was included as the first working
draft at that time.
In order to introduce JIS R 5204 to Asian members of ISO/TC 74 and to promote technical exchange among
them, an inter-laboratory testing programme was organized. This inter-laboratory testing was carried out with
the participation of 16 laboratories in Japan and 14 outside Japan, mostly Asian members of ISO/TC 74.
As this first part of the round-robin testing was taking place, work was in progress within CEN committee
TC 51/WG 15 to produce a standard method for the chemical analysis of cement by x-ray fluorescence. The
Japanese Industrial Standard JIS R 5204 was accepted by this committee and, working jointly with the
Japanese co-opted member, was incorporated into the draft for ISO 29581-2. At the invitation of the Japanese
Cement Association, members of CEN/TC 51/WG 15 were invited to join in the Japanese/Asian round robin
and in 2005 twelve European laboratories participated. The results of their testing are included in this report.
Those laboratories that obtained analyses of JCA-CRM-1 and/or JCA-CRM-2 satisfying the criteria for both
the repeatability limits and accuracy limits for all components were defined as “Q-laboratories”. A comparison
of the results for “Q-laboratories” with those obtained from other inter-laboratory testing for all constituents
other than CaO indicates that the variation was equal to or smaller than that of wet analysis. The variation in
results for CaO in “Q-laboratories” was slightly larger than that by wet analysis. Therefore, this inter-laboratory
testing demonstrates that the accuracy of results obtained by the JIS R 5204/ISO 29581-2 method is generally
the same as that for the wet method.

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TECHNICAL REPORT ISO/TR 12389:2009(E)

Methods of testing cement — Report of a test programme —
Chemical analysis by x-ray fluorescence
1 Scope
This Technical Report describes the results of the inter-laboratory testing of the chemical analysis of cement
by x-ray fluorescence. In the first instance, the inter-laboratory testing was carried out in Japan and in Asian
countries in accordance with JIS R 5204:2002. A total of 30 laboratories, 16 in Japan and 14 outside Japan,
participated in the original testing programme. A further 12 European laboratories participated in tests with the
same materials in 2005 in accordance with EN 196-2, a development by CEN/TC 51/WG 15/TG 1 of
JIS R 5204. The latest version, developed as ISO 29581-2, is, as of the date of publication of this Technical
Report, in the process of being circulated for technical enquiry.
The test samples used were Portland cement conforming to CEM I of EN 197-1 and a mixture of Portland
cement and blast furnace slag. The mixture corresponded to the composition of Portland blast furnace slag
cement, class B, specified in JIS R 5211 and CEM III/A of EN 197-1. Cement reference materials for x-ray
fluorescence analysis (No. 601A) are used for the calibration standards, and certified reference materials
JCA-CRM-1 and JCA-CRM-2 are used as the validation materials.
Constituents analysed include SiO , Al O , Fe O , CaO, MgO, SO , Na O, K O, TiO , P O , MnO and SrO.
2 2 3 2 3 3 2 2 2 2 5
The loss on ignition is also determined.
The ISO round robin is a method-performance study conducted under close to optimum conditions with clear
calibration and measurement guidelines. This is conducive to producing “best practice” values representative
of the ideal situation. However, ISO 29581-2 is intended for use under everyday conditions in laboratories that
operate to “good practice”. Annex D sets out the results of some international round robins carried out by a
large number of laboratories demonstrating the suitability of ISO 29581-2 as a means for comparing the
everyday performance of laboratories.
2 Test methods
2.1 General arrangements
The outline of the inter-laboratory testing is shown in Table 1.
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ISO/TR 12389:2009(E)
Table 1 — Outline of the inter-laboratory testing
Test method First part – JIS R 5204:2002
Second part – ISO 29581-1
Test samples JCA #1 Portland cement
JCA #2 Cement made by mixing Portland cement with blast
furnace slag (composition corresponding to Portland blast
furnace slag cement Class B specified in JIS R 5211 and
CEM III/A of EN 197-1)
Calibration standards Cement reference materials for x-ray fluorescence analysis,
JCA No. 601A
Validation materials JCA-CRM-1 Ordinary Portland cement
JCA-CRM-2 Portland blast furnace slag cement
Constituents determined SiO , Al O , Fe O , CaO, MgO, SO , Na O, K O, TiO ,
2 2 3 2 3 3 2 2 2
P O , MnO, SrO, loss on ignition (LOI)
2 5

2.2 Test method and constituents to be determined
The first phase of this inter-laboratory testing was based on JIS R 5204. The second phase of this inter-
laboratory testing was based on ISO 29581-2. There were no substantial differences between the two
methods. For the remainder of this report they will be referred to as “the XRF method”.
Twelve constituents: SiO , Al O , Fe O , CaO, MgO, SO , Na O, K O, TiO , P O , MnO, and SrO,
2 2 3 2 3 3 2 2 2 2 5
determined by XRF method using glass beads, and loss on ignition were to be evaluated. Although SO for
3
Portland blast furnace slag cement was outside the scope of JIS R 5204, it was an option for Sample #2 in
this testing.
3 Samples
3.1 Test samples
Two test samples were used: Portland cement (Sample #1) conforming to EN 197-1 CEM I, and a cement
mixture of Portland cement and blast furnace slag (Sample #2). Sample #2 corresponded to the B-type
Portland blast furnace slag cement specified in JIS R 5211 and CEM III/A of EN 197-1. Approximately 30 g of
each sample was distributed.
3.2 Calibration standards
Cement reference materials for x-ray fluorescence analysis (see NOTE), provided by the Japan Cement
Association, were used for the calibration standards.
Approximately 12 g of each standard of JCA No. 601A was distributed to the foreign laboratories. The only
requirement was that seven or more calibration standards be used when making calibration equations in
accordance with the XRF method.
NOTE JCA No. 601A is a set of 15 cement reference materials consisting of nine Portland cements and six Portland
blast furnace slag cements.
3.3 Validation materials
Validation of calibration equations was specified in the XRF method. Certified reference materials JCA-CRM-1
and JCA-CRM-2, provided by the Japan Cement Association, were used as the validation materials.
Approximately 30 g of each CRM was distributed to the laboratories.
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ISO/TR 12389:2009(E)
3.4 Participating laboratories
3.4.1 Japan
An announcement of the inter-laboratory testing was sent out to members of the Japan Cement Association.
In response to the announcement, 16 laboratories registered as participants in this testing programme. A list
of participating laboratories is shown in Annex A.
3.4.2 Asia
An announcement of the inter-laboratory testing was sent out to Asian members registered as P-members or
O-members in ISO/TC 74 (See NOTE). Sixteen laboratories responded to the announcement and expressed
their desire to participate, and 14 laboratories registered for the programme. A list of participating laboratories
is shown in the Annex A.
NOTE The announcement was sent out to member bodies registered in ISO/TC74, and to Cement Associations of
the members; see Reference [10].
3.4.3 Europe
Invitations were issued to the members of European Standards Organization Technical Committee TC 51,
Cement and building limes, Working Group 15, Methods of testing cement, Task Group 1, Analysis by x-ray
fluorescence, to nominate participating laboratories. Twelve laboratories undertook to participate. A list of
participating laboratories is shown in Annex A.
4 Method for analysis of results
4.1 Statistics
Symbols and definitions of statistical terms used in this report are shown in Table 2.
Table 2 — Definitions of the statistical terms
a
Statistical term Abbreviation/symbol
Definition of the statistical term
in=
x
∑ i
Average Av./ x
i=1
x =
n
Maximum value Max. Maximum value in the data
Minimum value Min. Minimum value in the data
Range — Range is equal to max. minus min.
n
2
()xx−
∑ i
Standard deviation S.D./σ
i=1
σ=
n−1
σ× 100
C.V./C C = , expressed as a percentage
Coefficient of variation
V V
x
a
n is the number of laboratories; x is the mean value of a pair of results from each laboratory.

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ISO/TR 12389:2009(E)
4.2 Definition of Q-laboratories
4.2.1 General
In this inter-laboratory testing, a Q-laboratory is one where the concentration of a pair of validation beads
made from certified reference materials satisfies the criteria for both the repeatability limits and accuracy limits
set out in the XRF method.
4.2.2 Validation procedure
4.2.2.1 Determination of the concentration of a pair of validation beads made from at least one certified
reference material for all analysis constituents.
4.2.2.2 Check that the difference in the concentration, rounded off to three decimal places, of a pair of
validation beads is within the repeatability limits obtained from Equation (1):
log(y) = 0,48 log(x) − 1,499 (1)
where
y is the repeatability limit, as a percentage;
x is the mean value of the concentration of a pair of validation beads, as a percentage.
When x is less than 0,5 %, a limit for y of 0,020 % is applied to all values.
NOTE Equation (1) is specified in JIS R 5204.
4.2.2.3 Check that the difference between the mean values, rounded off to two decimal places, of the
concentration of a pair of validation beads and the “certified values” of the certified reference materials are
within the accuracy limits specified according to the level of concentration in Table 3 for each analysed
constituent.
Both JCA-CRM-1 and JCA-CRM-2 are used for the validation materials in this inter-laboratory testing.
However, in the XRF method, the use of just one certified reference material is permitted. Therefore, for the
purpose of this inter-laboratory test, the validations are considered as satisfied if the analysis of either JCA-
CRM-1 or JCA-CRM-2 meets the validation criteria. Laboratories that obtained concentrations of JCA-CRM-1
and/or JCA-CRM-2 satisfying the criteria for both the repeatability limits and accuracy limits for all constituents,
were defined as “Q-laboratories” in this inter-laboratory testing. In ISO 29581-2, these are referred to as
“expert” laboratories.
Table 3 — Accuracy limits for analysis validation
Level of the certified value Accuracy limits for analysis validation
(% absolute) (% absolute)
0,00 to 0,49 0,02
0,50 to 0,99 0,03
1,00 to 6,99 0,08
7,00 to 14,99 0,12
15,00 to 29,99 0,15
30,00 to 49,99 0,20
50,00 to 79,99 0,25
80,00 to 100,00 0,30
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ISO/TR 12389:2009(E)
5 Results and considerations
5.1 Laboratory number
Validation results for all laboratories and results of determination for Q-laboratories are shown in Tables B.1 to
B.8. Laboratories No. 1 to No. 16 represent laboratories in Japan; Laboratories No. 101 to No. 113 represent
ISO member laboratories outside Japan. Although there were 14 participating laboratories outside Japan, the
report submitted by Laboratory No. 114 is mentioned only in Tables B.2, B.4, B.6 and B.8, because the
laboratory carried out XRF analysis by the pellet method. Laboratories No. E1 to E12 represent laboratories
participating in the European stage.
5.2 Validation results for all laboratories
The difference in concentration for each pair of JCA-CRM-1 is shown in Table 4, and that for JCA-CRM-2 is
shown in Table 5. The difference between the mean values of concentration for each pair of JCA-CRM-1 and
the certified values is shown in Table 6, and that for JCA-CRM-2 is shown in Table 7.
Data in the shaded cells of Table 4 and Table 5 denote results that did not satisfy the required criteria for
repeatability. Data in the shaded cells of Table 6 and Table 7 represent results that did not satisfy the required
criteria for accuracy limits. “-” in each table indicates that there is no report from the laboratory for that
constituent.
The presence of data in the shaded cells indicates that some validation results did not satisfy the required
criteria for repeatability or accuracy limits. Therefore, in determining the Q-laboratories according to the
definition described in 4.2, 27 laboratories were judged as Q-laboratories.
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ISO/TR 12389:2009(E)
Table 4 — Difference in concentrations for each pair of validation beads
(All laboratories — Validation material: JCA-CRM-1)
Laboratory SiO Al O Fe O SO Na O K O TiO P O
CaO MgO MnO SrO
2 2 3 2 3 3 2 2 2 2 5
ref. % % % %
% % % % % % % %
1 0,039 0,028 0,009 0,180 0,006 0,010 0,015 0,007 0,000 0,001 0,000 -
2 0,034 0,004 0,001 0,072 0,005 0,032 0,001 0,003 0,007 0,001 0,001 0,000
3 0,012 0,005 0,017 0,018 0,012 0,028 0,013 0,002 0,003 0,001 0,000 -
4 0,080 0,010 0,013 0,020 0,001 0,009 0,002 0,004 0,004 0,002 0,000 0,000
5 0,032 0,012 0,003 0,004 0,003 0,009 0,001 0,003 0,002 0,001 0,000 0,000
6 0,024 0,027 0,002 0,083 0,039 0,012 0,011 0,007 0,008 0,002 0,002 0,000
7 0,014 0,013 0,003 0,046 0,005 0,006 0,002 0,002 0,005 0,000 0,001 0,000
8 0,040 0,006 0,004 0,115 0,010 0,008 0,007 0,001 0,008 0,001 0,000 0,000
9 0,011 0,017 0,004 0,041 0,003 0,006 0,001 0,001 0,002 0,001 0,000 0,000
10 0,028 0,035 0,003 0,012 0,017 0,017 0,007 0,001 0,003 0,000 0,000 -
11 0,012 0,006 0,008 0,061 0,014 0,018 0,012 0,010 0,004 0,005 0,001 -
12 0,011 0,006 0,006 0,073 0,005 0,024 0,007 0,002 0,011 0,000 0,003 0,001
13 0,018 0,004 0,003 0,042 0,009 0,005 0,002 0,000 0,004 0,000 0,001 0,000
14 0,080 0,029 0,006 0,112 0,006 0,001 0,002 0,018 0,013 0,010 0,001 0,000
15 0,090 0,008 0,004 0,038 0,003 0,015 0,002 0,001 0,006 0,000 0,001 0,001
16 0,007 0,011 0,004 0,014 0,003 0,008 0,008 0,001 0,005 0,002 0,000 0,000
101 0,005 0,005 0,007 0,006 0,012 0,130 0,006 0,004 0,003 0,003 - -
102 0,017 0,058 0,004 0,005 0,007 0,001 - 0,000 - - - -
103 0,020 0,020 0,010 0,060 0,170 0,020 0,010 0,010 - - - -
104 0,016 0,020 0,009 0,193 0,011 0,035 0,010 0,016 0,002 0,004 0,001 0,000
105 0,084 0,052 0,008 0,024 0,001 0,006 0,003 0,001 0,011 0,003 0,000 0,001
106 0,118 0,014 0,002 0,090 0,002 0,014 0,017 0,003 - - - -
107 0,006 0,211 0,008 0,045 0,033 0,032 0,005 0,006 - 0,011 0,001 -
108 0,010 0,010 0,010 0,020 0,010 0,010 0,030 0,000 - 0,000 - -
109 0,032 0,009 0,014 0,116 0,003 0,015 - 0,002 - - - -
110 0,122 0,099 0,059 0,041 0,261 0,136 0,082 0,161 - 0,022 - -
111 0,040 0,030 0,010 0,010 0,020 0,000 0,010 0,000 0,010 0,010 0,000 0,000
112 0,110 0,010 0,000 0,020 0,090 0,010 0,000 0,000 - - - -
113 0,030 0,030 0,010 0,150 0,090 0,030 0,010 0,000 0,000 0,010 0,000 0,000
E1 0,112 0,045 0,013 0,039 0,007 0,025 0,009 0,002 0,006 0,000 0,000 0,000
E2 0,001 0,053 0,008 0,016 0,019 0,021 0,002 0,005 0,002 0,003 0,000 -
E3 0,020 0,050 0,040 0,030 0,000 0,060 0,000 0,000 0,000 0,010 0,000 0,000
E4 0,034 0,012 0,009 0,038 0,008 0,003 0,005 0,002 0,000 0,003 0,001 0,000
E5 0,020 0,010 0,020 0,050 0,010 0,010 0,010 0,010 0,010 0,030 0,000 0,000
E6 0,036 0,039 0,003 0,093 0,003 0,042 0,004 0,004 0,001 0,010 0,001 -
E7 0,208 0,051 0,003 0,204 0,051 0,006 0,008 0,006 0,010 0,005 0,001 0,001
E8 0,085 0,036 0,002 0,014 0,004 0,007 0,011 0,001 0,004 0,000 0,001 0,000
E9 0,038 0,039 0,008 0,169 0,028 - 0,009 0,001 0,011 - - -
E10 0,010 0,010 0,020 0,050 0,020 0,000 0,000 0,000 - - - -
E11 0,003 0,005 0,007 0,010 0,021 0,002 0,000 0,002 0,001 0,000 0,001 0,000
E12 0,240 0,014 0,022 0,700 0,001 0,017 0,020 0,011 0,007 0,007 0,001 0,000
Average 0,048 0,028 0,010 0,076 0,025 0,021 0,009 0,008 0,005 0,005 0,001 0,000
Max.
0,240 0,211 0,059 0,700 0,261 0,136 0,082 0,161 0,013 0,030 0,003 0,001
Min. 0,001 0,004 0,000 0,004 0,000 0,000 0,000 0,000 0,000 0,000 0,000 0,000
Range
0,239 0,207 0,059 0,696 0,261 0,136 0,082 0,161 0,013 0,030 0,003 0,001
Certified
analysis
20,99 5,260 2,670 65,210 2,130 2,050 0,260 0,560 0,350 0,280 0,060 0,050
Limit
value
0,150 0,080 0,080 0,250 0,080 0,080 0,020 0,030 0,020 0,020 0,020 0,020
NOTE Data in shaded cells represent results that did not satisfy the required criteria for repeatability specified for “expert”
laboratories for the XRF method.

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ISO/TR 12389:2009(E)
Table 5 — Difference in concentrations for each pair of validation beads
(All laboratories — Validation material: JCA-CRM-2)
a
SiO Al O Fe O Na O K O TiO P O
Laboratory
CaO MgO SO MnO SrO
2 2 3 2 3 2 2 2 2 5
3
% % % %
ref. % % % % % % %
%
1 0,001 0,001 0,003 0,002 0,002 0,00 0,005 0,006 0,001 0,000 0,000 -
2 0,051 0,010 0,001 0,020 0,018 0,03 0,003 0,002 0,014 0,002 0,000 0,000
3 0,032 0,010 0,013 0,013 0,009 - 0,009 0,001 0,000 0,000 0,001 -
4 0,008 0,016 0,006 0,047 0,010 0,02 0,003 0,003 0,000 0,001 0,003 0,000
5 0,038 0,019 0,001 0,012 0,009 0,02 0,001 0,001 0,002 0,000 0,000 0,000
6 0,113 0,044 0,018 0,105 0,025 0,03 0,012 0,007 0,007 0,002 0,000 0,000
7 0,009 0,003 0,001 0,038 0,026 0,00 0,000 0,001 0,002 0,001 0,000 0,000
8 0,005 0,016 0,003 0,040 0,003 0,00 0,000 0,000 0,007 0,001 0,001 0,000
9 0,094 0,016 0,001 0,101 0,012 - 0,002 0,002 0,004 0,000 0,001 0,000
10 0,035 0,091 0,015 0,183 0,040 - 0,011 0,002 0,003 0,000 0,001 -
11 0,020 0,030 0,002 0,100 0,047 0,00 0,016 0,000 0,014 0,001 0,001 -
12 0,006 0,052 0,020 0,022 0,004 - 0,014 0,004 0,006 0,000 0,001 0,001
13 0,010 0,008 0,003 0,058 0,008 0,01 0,002 0,000 0,005 0,000 0,000 0,000
14 0,071 0,052 0,006 0,156 0,009 0,01 0,008 0,004 0,014 0,015 0,003 0,001
15 0,052 0,006 0,005 0,021 0,001 0,01 0,006 0,002 0,003 0,001 0,000 0,000
16 0,054 0,046 0,006 0,019 0,011 0,03 0,005 0,002 0,003 0,000 0,001 0,001
101 0,005 0,039 0,011 0,060 0,013 - 0,017 0,001 0,001 0,000 - -
102 0,022 0,011 0,004 0,029 0,008 0,00 - 0,001 - - - -
103 0,020 0,070 0,010 0,000 0,140 0,03 0,010 0,000 - - - -
104 0,034 0,039 0,010 0,188 0,009 0,02 0,007 0,017 0,003 0,001 0,003 0,000
105 0,043 0,019 0,002 0,010 0,020 0,00 0,004 0,004 0,010 0,005 0,006 0,000
106 0,057 0,045 0,043 0,107 0,015 - 0,002 0,001 - - - -
107 0,121 0,014 0,048 0,012 0,015 - 0,009 0,005 - 0,002 0,003 -
108 0,250 0,060 0,000 0,250 0,020 0,03 0,070 0,000 - 0,010 - -
109 0,054 0,023 0,013 0,057 0,002 0,02 - 0,010 - - - -
110 0,022 0,119 0,018 0,138 0,037 0,02 0,021 0,019 - 0,008 - -
111 0,060 0,050 0,010 0,070 0,030 0,02 0,000 0,000 0,010 0,020 0,000 0,000
112 - - - - - - - - - - - -
113 0,050 0,050 0,020 0,050 0,030 - 0,010 0,010 0,010 0,000 0,000 0,000
E1 0,045 0,063 0,025 0,121 0,002 0,179 0,008 0,005 0,007 0,007 0,001 0,001
E2 0,003 0,003 0,008 0,017 0,002 0,025 0,005 0,005 0,001 0,006 0,002 -
E3 0,010 0,010 0,010 0,030 0,030 0,020 0,000 0,000 0,000 0,010 0,000 0,000
E4 0,062 0,054 0,001 0,111 0,026 0,047 0,013 0,001 0,001 0,002 0,004 0,002
E5 0,040 0,030 0,010 0,120 0,100 0,030 0,015 0,000 0,003 0,010 0,001 0,002
E6 0,002 0,019 0,008 0,041 0,033 - 0,000 0,003 0,000 0,007 0,002 -
E7 0,118 0,052 0,001 0,179 0,008 0,013 0,003 0,002 0,003 0,005 0,001 0,001
E8 0,049 0,003 0,014 0,070 0,038 0,005 0,008 0,002 0,000 0,004 0,000 0,000
E9 0,063 0,025 0,006 0,082 0,008 - - 0,001 0,016 - - -
E10 0,010 0,010 0,010 0,040 0,000 0,000 0,000 0,000 - - - -
E11 0,086 0,030 0,006 0,052 0,009 0,003 0,008 0,001 0,000 0,001 0,000 0,001
E12 0,260 0,193 0,023 0,430 0,005 - 0,016 0,003 0,003 0,009 0,000 -
Average 0,052 0,036 0,010 0,080 0,021 0,022 0,009 0,003 0,005 0,004 0,001 0,000
Max.
0,260 0,193 0,048 0,430 0,140 0,179 0
...