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ISO 3431:1976 PDF

ISO 3431:1976 PDF

Name:
ISO 3431:1976 PDF

Published Date:
07/01/1976

Status:
Active

Description:

Sodium fluoride primarily used for the production of aluminium -- Determination of soluble sulphates content -- Turbidimetric method

Publisher:
International Organization for Standardization

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
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Choose Document Language:
$16.2
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Applicable to products having SO4 contents of more than 0.05 % (m/m). Covers the dissolution of the test portion in hydrochloric acid and evaporation in hydrochloric acid solution for drying. Dissolution of the residue in a hydrochloric acid solution. Measurement of the turbidity obtained by precipitation, under specified conditions, of barium sulphate using a spectrophotometer at a wavelength of about 470 nm or a photoelectric absorptiometer.


File Size : 1 file , 280 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 3
Published : 07/01/1976
Same As : ISO 3431:1976

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