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WITHDRAWN ASTM D4450-85(2012) 1.11.2012 preview

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ASTM D4450-85(2012)

Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment



STANDARD published on 1.11.2012


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The information about the standard:

Designation standards: ASTM D4450-85(2012)
Note: WITHDRAWN
Publication date standards: 1.11.2012
SKU: NS-27284
The number of pages: 3
Approximate weight : 9 g (0.02 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 D4450-85(2012) :

Keywords:

phosphorus acid, pigment analysis, zinc, zinc hydroxy phosphite, zinc oxide, ICS Number Code 87.060.10 (Pigments and extenders)

Additional information

 
Significance and Use

4.1 This test method may be used to confirm the stated zinc oxide and phosphorous acid content of zinc hydroxy phosphite pigment.
 
1. Scope

1.1 This test method is intended for the determination of zinc oxide and phosphorous acid content of the pigment commercially known as zinc hydroxy phosphite. The zinc content is determined by ethylenediaminetetraacetate (EDTA) titration and calculated as zinc oxide (ZnO), while the phosphorus content is determined colorimetrically and calculated as phosphorous acid (H3PO3).

1.2 The analytical procedures appear in the following order:

 

Sections

 

Zinc oxide

Phosphorous acid

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 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.
 
2. Referenced Documents

D1193-06(2018)

Standard Specification for Reagent Water

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