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ASTM D3898-93(2015)
Standard Test Method for Chromic Oxide in Basic Chromium Tanning Liquors
Automaticky preložený názov:
Štandardná skúšobná metóda pre chrómovou Oxide v základnej Chromium Trieslové Liquors
NORMA vydaná dňa 1.9.2015
Informácie o norme:
Označenie normy: ASTM D3898-93(2015)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.9.2015
Kód tovaru: NS-618044
Počet strán: 2
Približná hmotnosť: 6 g (0.01 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM D3898-93(2015) :
Keywords:
basic chromium tanning liquors, chrome oxide ,, ICS Number Code 59.140.10 (Processes and auxiliary materials)
Doplňujúce informácie
| Significance and Use | ||
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4.1 The procedure described is for the quality control for manufacturing liquors and specifications for the purchase of such liquors. 4.2 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 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 and health practices and determine the applicability of regulatory limitations prior to use. |
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| 2. Referenced Documents | ||
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