ASTM E786-81(1996)e1

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e1
Designation: E 786 – 81 (Reapproved 1996)
Standard Specification for
Dishes, Evaporating, Platinum
This standard is issued under the fixed designation E 786; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
e NOTE—Keywords were added editorially in January 1997.
1. Scope shall be of the following types and capacities as specified (see
S2.1).
1.1 This specification covers platinum evaporating dishes
3.1.1 Type I—Shallow form without pour-out spout. Capac-
suitable for water analysis and laboratory use.
ity: 100 mL.
2. Referenced Documents
3.1.2 Type II—Regular form with pourout spout. Capacity:
50 mL.
2.1 Federal Specifications:
3.1.3 Type III—125 mL.
PPP-B-601 Box, Wood, Cleated-Plywood
PPP-B-621 Box, Wood, Nailed and Lock Corner
4. Materials
PPP-B-636 Box Shipping, Fiberboard
4.1 Unless otherwise specified, the platinum dishes shall be
PPP-B-676 Box, Set-up
made of 99.9 % platinum alloyed with not more than 0.4 %
PPP-C-843 Cushioning, Material, Cellulosic
iridium.
PPP-F-320 Fiberboard, Corrugated and Solid, Sheet Stock
(Container Grade), and Cut Shapes
5. Dimensions, Mass, and Permissible Variations
UU-P-553 Paper, Wrapping, Tissue
2 5.1 Platinum evaporating dishes shall be either of two types:
2.2 Federal Standards:
Type I, shallow dish without pourout spout, having slightly
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
2 tapered sides and a flat bottom having a minimum thickness of
2.3 Military Specification:
0.16 mm; or Type II, rounded bottom with a pourout spout
MIL-P-116 Methods of Preservation-Packaging
2 conforming to the dimensions in Table 1.
2.4 Military Standards:
MIL-STD-105 Sampling Procedures and Tables for Inspec-
6. Workmanship
tion by Attributes
6.1 Platinum evaporating dishes shall be free of defects
MIL-STD-129 Marking for Shipment and Storage
(scratches, dents, punctures) and contamination (grease, oil,
MIL-STD-1188 Commercial Packaging of Supplies and
foreign matter) that detract from their appearance or that will
Equipment
impair their serviceability.
3. Classification
7. Marking
3.1 Types and Capacities—Platinum evaporating dishes
7.1 Platinum evaporating dishes shall be permanently and
legibly marked with the name or registered trademark of the
manufacturer.
This specification is under the jurisdiction of ASTM Committee E-41 on
Laboratory Apparatus and is the direct responsibility of Subcommittee E41.01 on
8. Keywords
Apparatus.
Current edition approved Feb. 27, 1981. Published April 1981.
8.1 dishes; evaporating; platinum
Available from Naval Publications and Forms Center, 5801 Tabor Ave.,
Philadelphia, Pa. 19120.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
E 786
TABLE 1 Dimensions of Platinum Evaporating Dishes
Capac- Top Inside Height,
Type Weight, g
ity, mL Diameter, mm mm
I 100 766 6 27.5 6 7.5 35 6 5
II 50 54.5 6227 6 2 19.5 6 5
III 125 78 6 2 35.5 6242 6 10
SUPPLEMENTARY REQUIREMENTS
The following supplementary requirements are binding when this specification is used by the
Department of Defense and the Federal Government for the procurement of platinum evaporating
dishes.
TABLE S00001 Classification of Defects of Platinum Dishes
S1. Sampling
Categories Defects
S1.1 Sampling for nondestructive examination shall be
Critical: none defined.
conducted in accordance with MIL-STD-105.
Major: AQL 4.0 % defective.
S2. Ordering Information 101 dimensions incorrect.
102 damaged (scratches, dents or punctures).
S2.1 Procurement documents should specify the following:
103 contamination (oil, grease, or foreign matter).
104 marking illegible, incorrect, or missing.
S2.1.1 Title, number, and date of this ASTM specification.
S2.1.2 Level of packaging and packing required,
S2.1.3 Type and capacity (when applicable) of evaporating
TABLE S00002 Classification of Defects of Level A and
dish required, and
Commercial Packaging
S2.1.4 Material if other than as specified.
Categories Defects
S2.2 Supplier’s Responsibility—The supplier is responsible
Critical: none defined.
for the performance of all inspection requirements as specified
Major: AQL 2.5 % defective.
herein.
...