Potrebujeme váš súhlas na využitie jednotlivých dát, aby sa vám okrem iného mohli ukazovať informácie týkajúce sa vašich záujmov. Súhlas udelíte kliknutím na tlačidlo „OK“.
Standard Test Method for Determining Acidity of Vegetable Tanning Liquors
NORMA vydaná dňa 1.12.2020
Označenie normy: ASTM D6410-99(2020)
Dátum vydania normy: 1.12.2020
Kód tovaru: NS-1013152
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
acidity, tannery liquor, tannin analysis, tanning liquor, tannins, vegetable tannin analysis,, ICS Number Code 59.140.10 (Processes and auxiliary materials)
Significance and Use | ||||||
5.1?This test method is used to determine one of the chemical properties of tannery liquors which are relevant for the vegetable tanning process and influence the astringency of vegetable tanning liquors. The astringency of liquors is dependent upon the solids and tannin content and the acidity. This test method provides a standard procedure for determining the total acidity for any sample of vegetable tanning liquor. 5.2?The specimens are aliquots from the analytical solution prepared from the sample of tannery liquor collected for this purpose. 5.3?The total acidity of the liquor sample is determined by one of two titrametric procedures described in this test method. |
||||||
1. Scope | ||||||
1.1?This test method covers determining the acidity of tannery liquors made up from vegetable 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
||||||
2. Referenced Documents | ||||||
|
Chcete mať istotu, že používate len platné technické normy?
Ponúkame Vám riešenie, ktoré Vám zaistí mesačný prehľad o aktuálnosti noriem, ktoré používate.
Chcete vedieť viac informácií ? Pozrite sa na túto stránku.
Posledná aktualizácia: 2024-12-22 (Počet položiek: 2 217 000)
© Copyright 2024 NORMSERVIS s.r.o.