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ASTM D4900-99(2016)
Standard Test Method for Lignosulfonates (Sulfite Cellulose) in Tanning Extracts
NORMA vydaná dňa 1.9.2016
Informácie o norme:
Označenie normy: ASTM D4900-99(2016)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.9.2016
Kód tovaru: NS-652192
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 D4900-99(2016) :
Keywords:
lignosulfonates, sulfite cellulose, tannin analysis, vegetable tannin analysis,, ICS Number Code 59.140.10 (Processes and auxiliary materials)
Doplňujúce informácie
| Significance and Use | ||||||||||
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4.1 This test method is useful to detect possible adulteration of tanning material extract with cheap and inferior lignosulfonates. |
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| 1. Scope | ||||||||||
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1.1 This test method is intended for use in detecting the presence of lignosulfonates (sulfite cellulose) in extracts of tanning materials. 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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