ASTM D49-83(2020)

Standard Test Methods of Chemical Analysis of Red Lead

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STANDARD published on 1.6.2020

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The information about the standard:

Designation standards: ASTM D49-83(2020)
Publication date standards: 1.6.2020
SKU: NS-995308
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

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The category - similar standards:

Pigments and extenders

Annotation of standard text ASTM D49-83(2020) :

These test methods cover procedures for the chemical analysis of red lead having the approximate formula Pb3O4 (probably PbO2·2PbO). The pigment sample shall be ground to fine powder (if lumpy or not finely ground) and shall be thoroughly mixed before taking portions for analysis. Reagent grade chemicals shall be used in all tests. The methods of determining moisture, organic coloring matter, and total lead and insoluble matter contents are given. The solutions required for the chemical analysis of lead peroxide (lead dioxide) and true red lead (tetra lead oxide) includes red lead solution, sodium thiosulfate solution, and starch solution. The formula for calculating the contents of lead peroxide and true red lead, and the procedures for determining the amounts of zinc, matter soluble in water, total silica, carbon dioxide, soluble sulfates, and iron oxide are detailed.

Keywords:

chemicals analysis, lead dioxide, red lead, tetra lead oxide,, ICS Number Code 87.060.10 (Pigments and extenders)

Additional information

1. Scope

1.1 These test methods cover procedures for the chemical analysis of red lead having the approximate formula Pb₃O₄ (probably PbO₂·2PbO).

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, 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.

1.4 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

D50-90(2023)	Standard Test Methods for Chemical Analysis of Yellow, Orange, Red, and Brown Pigments Containing Iron and Manganese
D215-91(2002)	Standard Practice for the Chemical Analysis of White Linseed Oil Paints (Withdrawn 2005)
D280-01(2023)	Standard Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
D1193-06(2018)	Standard Specification for Reagent Water
D1208-96(2019)	Standard Test Methods for Common Properties of Certain Pigments
D1301-91(2020)	Standard Test Methods for Chemical Analysis of White Lead Pigments
D1959-97	Standard Test Method for Iodine Value of Drying Oils and Fatty Acids (Withdrawn 2006)

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