ASTM-D1648 › Historical Revision Information
Standard Specification for Basic Lead Silicochromate Pigment
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This specification covers two types of pigment commercially known as basic lead silicochromate. Both types of pigment shall consist of silica coated with lead licates and lead chromates with mass color and character, and oil absorption equal to that of a reference sample as agreed upon by the purchaser and seller. Specimens shall be sampled, prepared, and undergo chemical analysis to test their conformance with specified compositions of lead oxide, chromium trioxide, silica, and moisture and other volatile matter. Materials shall also be tested for ignition loss, specific surface diameter, and particle loss by microscopic methods.
Scope
1.1 This specification covers two types of pigment commercially known as basic lead silicochromate.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
Keywords
basic lead silicochromate (BLSC); chrominium in BLSC; lead chromate; lead in BLSC; lead oxide; pigment; silica in BLSC;
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87.060.10 (Pigments and extenders)
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Document Number
ASTM-D1648-86(2014)
Revision Level
1986 R14 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
Dec. 15, 2014
Document Type
Specification
Page Count
2 pages
Committee Number
D01.31