NBN T 03-293-1980
Sodium tripolyphosphate and sodium pyrophosphate for industrial use - Determination of iron content - 2,2'-Bipyridyl spectro-photometric method

Standard No.

NBN T 03-293-1980

Release Date

1980

Published By

BE-NBN

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NBN T 03-293-1980

NBN T 03-293-1980 history

• 1980 NBN T 03-293-1980 Sodium tripolyphosphate and sodium pyrophosphate for industrial use - Determination of iron content - 2,2'-Bipyridyl spectro-photometric method