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3 publications found under
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ISO 3119:1976
[Withdrawn]
Boric acid, boric oxide and disodium tetraborates for industrial use — Determination of chromium content — Diphenylcarbazide photometric method
ISO 3121:1976
[Withdrawn]
Boric acid, boric oxide and disodium tetraborates for industrial use — Determination of chloride content — Mercurimetric method
ISO 3122:1976
[Withdrawn]
Boric acid, boric oxide, disodium tetraborates, sodium perborates and crude borates for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method
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