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ISO 4278:1977

Sodium fluoride for industrial use — Determination of carbonate content — Gravimetric method
1. 11. 1977.
95.99   Povučen   27. 5. 2002.

Опште информације

95.99     27. 5. 2002.

ISO

ISO/TC 47

Međunarodni standard

71.060.50  

francuski   engleski  

Kupovina

Povučen

Jezik na kome želite da primite dokument.

Apstrakt

Applicable to products having contents, expressed as Na2 CO3 , more than 0.02 % (m/m). Describes the release of the carbon dioxide from a test portion by acidification and heating. Entrainment of the carbon dioxide in a flow of air and absorption in weighed absorption tubes containing soda asbestos. Specifies the weighing of the absorption tubes to determine the quantity released.

Životni ciklus

TRENUTNO

POVUČEN
ISO 4278:1977
95.99 Povučen
27. 5. 2002.

ISPRAVKE / IZMENE

NAPUŠTEN
ISO 4278:1977/DAmd 2

Nacionalna preuzimanja

SRPS H.B8.179:1979  
ISS

Natrijum-fluorid, tehnički - Određivanje sadržaja karbonata - Gravimetrijska metoda

95.99   Povučen

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