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Scope

1.1 This test method covers the quantitative determination of the color of clear, yellow/brown, liquid materials using color measuring instruments. The results may be invalid if other materials are used. The test uses the Gardner color scale described in Test Method D 1544. This test method applies to naval stores products including tall oil, tall oil fatty acids, rosin, and related products.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, problems 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.

Significance and Use

4.1 This test method provides a more precise way of measuring Gardner color than described in Test Method D 1544. It is applicable to naval stores products having colors from Gardner 1 to Gardner 18. The Gardner scale is not applicable to materials with colors lighter than 1 or darker than 18.

Keywords

instrumental Gardner color; rosin; tall oil; tall oil fatty acids; Color--paints/related coatings/materials; Instrumental measurement--paints/related coatings/materials; Gardner color; Naval stores; Rosin; Tall oil/tall oil rosin; ICS Number Code 87.040 (Paints and varnishes)

To find similar documents by ASTM Volume:

06.03 (Paint -- Pigments, Drying Oils, Polymers, Resins, Naval Stores, Cellulosic Esters, and Ink Vehicles)

To find similar documents by classification:

17.180.20 (Colours and measurement of light)

87.040 (Paints and varnishes Including coating powders, paint coatings and protective paint systems)

87.060.20 (Binders)

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