Standard ČSN 651053 25.4.1991 preview

ČSN 651053 (651053)

Aluminum oxide. Determination of chromium trioxide content



STANDARD published on 25.4.1991


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The information about the standard:

Designation standards: ČSN 651053
Classification mark: 651053
Catalog number: 29947
Publication date standards: 25.4.1991
SKU: NS-132092
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

The category - similar standards:

OxidesMaterials for aluminium production

Annotation of standard text ČSN 651053 (651053):

Norma platí pro oxid hlinitý používaný především pro výrobu hliníku a určuje pro stanovení oxidu chromitého metody atomové absorpční spektrometrie - pro hmotnostní zlomek oxidu chromitého od 0,0015 do 0,01 %, a fotometrickou - pro hmotnostní zlomek oxidu chromitého od 0,0002 do 0,1 %. Při provádění rozboru musí být dodržena veškerá ustanovení podle ČSN 65 1041. ČSN 65 1053 byla schválena 25.4.1991 a nabyla účinnosti od 1.2.1992. Nahradila ČSN 65 1053 ze 4.5.1981

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