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ASTM D3898-93(2003)
Standard Test Method for Chromic Oxide in Basic Chromium Tanning Liquors
STANDARD published on 10.5.2003
The information about the standard:
Designation standards: ASTM D3898-93(2003)
Note: WITHDRAWN
Publication date standards: 10.5.2003
SKU: NS-25275
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D3898-93(2003) :
Keywords:
basic chromium tanning liquors, chrome oxide, ICS Number Code 59.140.10 (Processes and auxiliary materials)
Additional information
| Significance and Use | ||
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The procedure described is for the quality control for manufacturing liquors and specifications for the purchase of such liquors. The chromium content of the liquors determines the amount to be used to obtain the desired degree of tannage, and hence may be a matter for specification in the purchase of leather. |
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| 1. Scope | ||
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1.1 This test method covers the determination of chromic oxide in chrome tanning liquors, either simple, with added aluminum or zirconium, or with the usual masking complexing agents. 1.2 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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