0 Stavka
Moj nalog
Telefon: (011) 7541-421, 3409-301, 3409-335, 6547-293, 3409-310
E-mail: Prodaja standarda: prodaja@iss.rs Seminari, obuke: iss-edukacija@iss.rs Informacije o standardima: infocentar@iss.rs
Stevana Brakusa 2, 11030 Beograd
Glavni meni

ISO 3197:1975

Sodium hydroxide for industrial use — Determination of chlorides content — Photometric method
1. 3. 1975.
95.99   Povučen   27. 5. 2002.

Опште информације

95.99     27. 5. 2002.

ISO

ISO/TC 47

Međunarodni standard

71.060.40  

francuski   engleski  

Kupovina

Povučen

Jezik na kome želite da primite dokument.

Apstrakt

Applicable to products having contents, expressed as chlorine, between 2 mg/kg and 50 mg/kg. For contents exceeding 50 mg/kg the method specified in ISO 981 shall be used. The principle consists in the quantitative displacement of the thiocyanate ions of the mercury(II) thiocyanate by the cloride ions contained in the test portion. Reaction of the thiocyanate ions with iron(III) nitrate to form iron(III) thiocyanate (red). Photometric measurement of the colour at a wavelength of about 450 nm.

Životni ciklus

TRENUTNO

POVUČEN
ISO 3197:1975
95.99 Povučen
27. 5. 2002.

Nacionalna preuzimanja

SRPS H.B8.680:1992  
ISS

Natrijum-hidroksid za industrijsku upotrebu - Određivanje sadržaja hlorida - Fotometrijska metoda

95.99   Povučen

H047 Saznaj više