• ASTM D1844-86(2014)

ASTM D1844-86(2014)

Standard Test Methods for Chemical Analysis of Basic Lead Silicochromate

ASTM International , 12/01/2014

Publisher: ASTM

File Format: PDF

$30.00$60.00


1.1These test methods cover the chemical analysis of the pigment commercially known as basic lead silicochromate and are applicable to pigment supplied by the manufacturer and to pigment, but not mixed pigments, separated from liquid coatings. The presence of basic lead silicochromate species shall be confirmed by X-ray diffraction analysis (see Specification D1648).

1.2For liquid coatings the pigment must first be separated from the vehicle before conducting the analysis.

1.3The analytical procedures appear in the following order:

Sections 

Lead oxide

6 to 14

Chromium trioxide

15 to 23

Silica

24 to 27

Moisture and other volatile matter

28

Coarse particles

29

Oil absorption

30

Mass color and tinting strength

31

1.4The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.5This standard does not purport to address the safety concerns, 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.

ASTM D1844-86(2014) History

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