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ASTM C867-94
Standard Test Method for Soluble Sulfate in Ceramic Whiteware Clays (Photometric Method)
STANDARD published on 1.1.2000
The information about the standard:
Designation standards: ASTM C867-94
Note: WITHDRAWN
Publication date standards: 1.1.2000
SKU: NS-15373
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM C867-94 :
Keywords:
ceramic whiteware clays, soluble sulfates content, sulfate content, soluble sulfate in ceramic whiteware clays, by photometric method,
Additional information
| 1. Scope | ||||||
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1.1 This test method covers the determination of soluble sulfate ions present in water or a filtrate by means of a photometer measuring the turbidity of precipitated barium sulfate. A method of standardizing the photometer for this test method is also given. 1.2 Soluble sulfate ions may be removed from clays or clay-water slurries by leaching with water during mixing and subsequent filter pressing. To remove all the sulfate ions would require an impractical number of washings; therefore, this test method should be considered a control test and not a quantitative analysis for SO4 ions. 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 and health practices and determine the applicability of regulatory limitations prior to use. |
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| 2. Referenced Documents | ||||||
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