ASTM D1135 : 86(2004)

Standard Test Methods for Chemical Analysis of Blue Pigments

Standard Details

1.1 These test methods cover procedures for the chemical analysis of blue pigments known commercially as iron blue, copper phthalocyanine blue, and ultramarine blue.

1.2 The analytical procedures appear in the following order:

	Sections

Iron Blue Pigments

Identification	6
Moisture by the Brabender Moisture Tester	7 and 8
Moisture by Toluene Distillation	9
Water-Soluble Matter by Extraction	10
Water-Soluble Salts by Electrical Conductivity	11
Detection of Acid-Insoluble Extenders	12 and 13
Detection of Acid-Soluble Extenders	14 to 17
Detection of Organic Colors and Lakes	18

Copper Phthalocyanine Blue Pigments

Identification	19
Moisture and Other Volatile Matter	20
Detection of Basic Dye Derivatives	21
Detection of Other Organic Coloring Matter	22
Detection of Ultramarine Blue	23
Detection of Iron Blue	24

Ultramarine Blue

Identification	25
Moisture and Other Volatile Matter	26
Water-Soluble Matter	27
Detection of Basic Dye Derivatives	28
Detection of Other Organic Coloring Matter	29

1.3 This standard does not purport to address the safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.