ASTM D1845-86(2020) - 1.6.2020
 
Significance and Use

3.1 These test methods may be used to confirm the stated strontium oxide and chromium oxide content of strontium chromate.

 
1. Scope

1.1 These test methods cover the chemical analysis of strontium chromate pigment.

1.2 The analytical procedures appear in the following order:

 

Sections

 

Strontium by the Strontium Sulfate Method

7 to 10

Chromium by the Thiosulfate Method

11 to 14

Chloride Content

15

Sulfate Content

16

Moisture and Other Volatile Matter

17

Coarse Particles

18

Mass Color and Tinting Strength

19

1.3 This values stated in SI units are to be considered the standard. The values given in parentheses are for information only.

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

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 
2. Referenced Documents

D444-88(2020)

Standard Test Methods for Chemical Analysis of Zinc Yellow Pigment (Zinc Chromate Yellow)

D1193-06(2018)

Standard Specification for Reagent Water

D387-00

Standard Test Method for Color and Strength of Chromatic Pigments with a Mechanical Muller

D185-07(2023)

Standard Test Methods for Coarse Particles in Pigments

D280-01(2023)

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