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ASTM E147-61(2022)
Standard Specification for Apparatus for Microdetermination of Nitrogen by Kjeldahl Method
NORMA vydaná dňa 1.9.2022
Informácie o norme:
Označenie normy: ASTM E147-61(2022)
Dátum vydania normy: 1.9.2022
Kód tovaru: NS-1084185
Počet strán: 7
Približná hmotnosť: 21 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM E147-61(2022) :
This specification covers the design and dimensional requirements for the digestion and distillation apparatus used for the microdetermination of nitrogen by the Kjeldahl method, and modifications thereof at atmospheric pressure. This apparatus is comprised primarily of digestion flasks, micro Kjeldahl digestion rack, one-piece model distillation apparatus, and Pregl (Parnas-Wagner) type distillation apparatus.
Keywords:
ICS Number Code 71.040.20 (Laboratory ware and related apparatus)
Doplňujúce informácie
| 1. Scope | ||
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1.1?This specification covers digestion and distillation apparatus used for the microdetermination of nitrogen by the Kjeldahl method, and modifications thereof at atmospheric pressure. Note 1:?This specification is based on those originally
developed by the Committee on Microchemical Apparatus, Division of
Analytical Chemistry, American Chemical Society.2
1.2?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. |
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| 2. Referenced Documents | ||
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