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ISO 9390:1990

Water quality — Determination of borate — Spectrometric method using azomethine-H

Sep 13, 1990

General information

90.93     Mar 31, 2023

ISO

ISO/TC 147/SC 2

International Standard

13.060.50  

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ISO 9390:1990
90.93 Standard confirmed
Mar 31, 2023