ASTM D3021-82(1995)e1

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
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e1
Designation: D 3021 – 82 (Reapproved 1995)
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
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.
e NOTE—Keywords were added editorially in May 1995.
1. Scope show the same reaction in identification tests (5.5-5.8) as a
reference sample mutually agreed upon between the purchaser
1.1 This specification covers chlorinated and chlorinated-
and the seller.
brominated copper phthalocyanine green pigments in dry
powder form, for use in paints, printing inks, and related
4. Sampling
products. A variety of commercial types are available to meet
4.1 Two samples shall be taken at random from different
the requirements of different end uses.
packages from each lot, batch, day’s pack, or other unit of
2. Referenced Documents production in a shipment. When no markings distinguishing
between units of production appear, samples shall be taken
2.1 ASTM Standards:
from different packages in the ratio of two samples for each 5
D 280 Test Methods for Hygroscopic Moisture (and Other
tons (inch-pound or SI), except that for shipments of less than
Matter Volatile Under the Test Conditions) in Pigments
1000 lb, two samples shall be taken. At the option of the
D 281 Test Method for Oil Absorption of Pigments by
purchaser, each sample may be tested or samples from the
Spatula Rub-Out
same production may be blended in equal quantities to form a
D 387 Test Method for Color and Strength of Color Pig-
composite sample.
ments with a Mechanical Muller
D 1135 Test Methods for Chemical Analysis of Blue Pig-
5. Test Methods
ments
5.1 Tests shall be conducted in accordance with the appro-
3. Composition and Properties priate ASTM test methods. Test procedures not covered by
ASTM test methods shall be mutually agreed upon between the
3.1 The pigments shall consist of the product known com-
purchaser and the seller.
mercially as phthalocyanine green, with or without phthalo-
5.2 Moisture and Other Volatile Matter—Method A of Test
cyanine blue or other ingredients incorporated during manu-
Methods D 280.
facture to improve or alter the properties of the pigment, but
5.3 Mass Color and Tinting Strength—Test Method D 387.
free of any other coloring matter either organic or inorganic.
5.4 Oil Absorption—Test Method D 281.
The pigment shall conform to the following requirements:
5.5 Identification:
Moisture and other volatile matter, max, % 3.0
5.5.1 To about 50 mg of the sample in a 50-mL beaker, add
Coloring matter other than phthalocyanines none
30 mL of H SO (sp gr 1.84). Stir occasionally for 15 min,
2 4
3.2 Mass Color and Character of Tint—The mass color, and
heating if necessary. A dark greenish yellow to a dark redd
...