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Significance and Use
These test methods are suitable for determining if impurities are present and establishing that the required pigments are present. These test methods may be used for manufacturing quality control.
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:
|I ron Blue Pigments|
|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||1213|
|Detection of Acid-Soluble Extenders||14 to 17|
|Detection of Organic Colors and Lakes||18|
|C opper Phthalocyanine Blue Pigments|
|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|
|U ltramarine Blue|
|Moisture and Other Volatile Matter||26|
|Detection of Basic Dye Derivatives||28|
|Detection of Other Organic Coloring Matter||29|
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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. 12.1 Acid-insoluble extenders include barium sulfate, silica, and silicates. Alumina may also be found, in part, with this group. 14.1 Acid-soluble extenders include the alkaline earth carbonates or sulfates, magnesium carbonate, and alumina hydrate.
12.1 Acid-insoluble extenders include barium sulfate, silica, and silicates. Alumina may also be found, in part, with this group.
14.1 Acid-soluble extenders include the alkaline earth carbonates or sulfates, magnesium carbonate, and alumina hydrate.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D280 Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
D1193 Specification for Reagent Water
D1208 Test Methods for Common Properties of Certain Pigments
D2448 Test Method for Water-Soluble Salts in Pigments by Measuring the Specific Resistance of the Leachate of the Pigment
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
ICS Number Code 87.060.10 (Pigments and extenders)
UNSPSC Code 31211503(Pigment paints)
ASTM D1135-86(2009), Standard Test Methods for Chemical Analysis of Blue Pigments, ASTM International, West Conshohocken, PA, 2009, www.astm.orgBack to Top