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ČSN - Czech national standards
Page 6191
ČSN 700623-1 (31/03/1976)
Glass testing. Chemical analysis of glass. Determination of boron trioxide. Volumetric method
Available languages: Czech
Available design: Print design
from 2.50 EUR more info
ČSN 700623-2 (14/05/1990)
Glass testing methods. Chemical analysis of glass. Determination of boron trioxide. Volumetric method (after the separation with ion exchanger)
Available languages: Czech
Available design: Print design
from 4.90 EUR more info
ČSN 700623-4 (10/04/1990)
Chemical analysis of glass. Determination of boric oxide. Volumetric method after precipitation with calcium carbonate
Available languages: Czech
Available design: Print design
from 2.50 EUR more info
ČSN 700623-3 (18/06/1986) Withdrawn
Glass testing methods. Chemical analysis of glass. Determination of boron trioxide. Photometric method with azomethin H
Available design: Print design
from 4.90 EUR more info
ČSN 700625-1 (29/03/1991) Withdrawn
Glass testing. Chemical analysis of glass. Determination of phosphorus pentoxide. Photometric method with molybdovanadic reagent
Available design: Print design
from 1.20 EUR more info
ČSN 700626-1 (31/03/1976)
Glass testing. Chemical analysis of glass. Determination of iron(III)-oxide. Photometric method with 2,2-bipyridine
Available languages: Czech
Available design: Print design
from 2.50 EUR more info
ČSN 700626-2 (31/03/1976) Withdrawn
Glass testing. Chemical analysis of glass. Determination of iron(III)-oxide. Photometric method with the use of 1,10-phenanthroline
Available design: Print design
from 2.50 EUR more info
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