ASTM D126 - 87(2012)

    Standard Test Methods for Analysis of Yellow, Orange, and Green Pigments Containing Lead Chromate and Chromium Oxide Green

    Active Standard ASTM D126 | Developed by Subcommittee: D01.31

    Book of Standards Volume: 06.03


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    Significance and Use

    4.1 These test methods are for analysis designed as an aid in quality of yellow, orange, and green pigments containing lead chromate and chromium oxide green. Some sections may be applicable to analysis of these pigments when extracted from whole paints.

    1. Scope

    1.1 These test methods cover procedures for the chemical analysis of yellow, orange, and green pigments containing lead chromate and chromium oxide green.

    1.2 The analytical procedures appear in the following order:

     

    Sections

    Chrome Yellow, Chrome Orange, and Molybdate Orange

    Organic Colors and Lakes

    7

    Moisture and Other Volatile Matter

    8

    Matter Soluble in Water

    9

    Lead Chromate

    10 and 11

    Total Lead

    12

    Sulfate

    13 and 14

    Carbon Dioxide

    15

    Molybdenum

    16 and 17

    Extenders

    18-22

    Calculation of Substances Other than Insoluble Lead
     Compounds


    23 and 24

    Pure Chrome Green and Reduced Chrome Green

    Organic Colors and Lakes

    25

    Moisture and Other Volatile Matter

    26

    Matter Soluble in Water

    27

    Iron Blue

    28

    Lead Chromate

    29 and 30

    Barium Sulfate and Insoluble Siliceous Material

    31

    Total Lead

    32

    Sulfate

    33

    Calcium Oxide Soluble in Acid

    34 and 35

    Extenders

    36

    Calculation of Insoluble Lead Compounds


    37

    Chromium Oxide Green

    Organic Colors and Lakes

    38

    Moisture and Other Volatile Matter

    39

    Matter Soluble in Water

    40

    Total Chromium as Chromium Oxide

    41


    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 all of the safety problems, if any, 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. Specific hazard statements are given in Note 3.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D280 Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments

    D521 Test Methods for Chemical Analysis of Zinc Dust (Metallic Zinc Powder)

    D1013 Test Method for Determining Total Nitrogen in Resins and Plastics

    D1193 Specification for Reagent Water

    E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves


    ICS Code

    ICS Number Code 87.060.10 (Pigments and extenders)

    UNSPSC Code

    UNSPSC Code 31211503(Pigment paints)


    DOI: 10.1520/D0126-87R12

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