ASTM D3021-01

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: D 3021 – 01
Standard Specification for
1
Phthalocyanine Green Pigments
This standard is issued under the fixed designation D 3021; 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.
1. Scope 3.4 Reaction in Identification Tests—The pigment shall
show the same reaction in identification tests (5.5-5.8) as a
1.1 This specification covers chlorinated and chlorinated-
reference sample mutually agreed upon between the purchaser
brominated copper phthalocyanine green pigments in dry
and the seller.
powder form, for use in paints, printing inks, and related
products. A variety of commercial types are available to meet
4. Sampling
the requirements of different end uses.
4.1 Two samples shall be taken at random from different
2. Referenced Documents packages from each lot, batch, day’s pack, or other unit of
production in a shipment. When no markings distinguishing
2.1 ASTM Standards:
between units of production appear, samples shall be taken
D 280 Test Methods for Hygroscopic Moisture (and Other
2 from different packages in the ratio of two samples for each
Matter Volatile Under the Test Conditions) in Pigments
4545 kg or (10 000 lb), except that for shipments of less than
D 281 Test Method for Oil Absorption of Pigments by
3
1000 lb, two samples shall be taken. At the option of the
Spatula Rub-Out
purchaser, each sample may be tested or samples from the
D 387 Test Method for Color and Strength of Chromatic
3
same production may be blended in equal quantities to form a
Pigments with a Mechanical Muller
composite sample.
D 1135 Test Methods for Chemical Analysis of Blue Pig-
2
ments
5. Test Methods
3. Composition and Properties 5.1 Tests shall be conducted in accordance with the appro-
priate ASTM test methods. Test procedures not covered by
3.1 The pigments shall consist of the product known com-
ASTMtestmethodsshallbemutuallyagreeduponbetweenthe
mercially as phthalocyanine green, with or without phthalo-
purchaser and the seller.
cyanine blue or other ingredients incorporated during manu-
5.2 Moisture and Other Volatile Matter—Method A of Test
facture to improve or alter the properties of the pigment, but
Methods D 280.
free of any other coloring matter either organic or inorganic.
5.3 Mass Color and Tinting Strength—Test Method D 387.
The pigment shall conform to the following requirements:
5.4 Oil Absorption—Test Method D 281.
Moisture and other volatile matter, max, % 3.0
5.5 Identification:
Coloring matter other than phthalocyanines none
5.5.1 To about 50 mg of the sample in a 50-mL beaker, add
3.2 Mass Color and Character of Tint—Themasscolor,and
30 mL of H SO (sp gr 1.84). Stir occasionally for 15 min,
2 4
the character of the tint formed by mixture with a white
heating if necessary. A dark greenish yellow to a dark reddish
pigment, and the strength, shall be within mutually agreed-
color forms, depending on the degree of bromination. Pour the
upon limits of a standard acceptable to both the purchaser and
solution into 250 mL of water
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