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Manganese ores and concentrates — Determination of total iron content — 1,10-Phenanthroline spectrometric method
90.93 Standard confirmed
Acoustics — Determination of high-frequency sound power levels emitted by machinery and equipment
90.93 Standard confirmed
Acoustics — Declared noise emission values of information technology and telecommunications equipment
90.92 Standard to be revised
Water quality — Determination of chloride — Silver nitrate titration with chromate indicator (Mohr's method)
90.60 Close of review
Textile machinery and accessories — Cylindrical sliver cans — Part 1: Main dimensions
90.20 Standard under periodical review
Textile machinery and accessories — Cylindrical sliver cans — Part 1: Main dimensions — Amendment 1
60.60 Standard published
Textile machinery and accessories — Cylindrical sliver cans — Part 2: Spring bottoms
90.20 Standard under periodical review
Textile machinery and accessories — Cylindrical sliver cans — Part 2: Spring bottoms — Amendment 1
60.60 Standard published
Measurement of gas flow by means of critical flow nozzles
90.92 Standard to be revised
Traditional Chinese medicine — Ephedra sinica, Ephedra intermedia and Ephedra equisetina herbaceous stem
60.60 Standard published
Water quality — Enumeration of Escherichia coli and coliform bacteria — Part 1: Membrane filtration method for waters with low bacterial background flora
90.60 Close of review
Water quality — Enumeration of Escherichia coli and coliform bacteria — Part 1: Membrane filtration method for waters with low bacterial background flora — Amendment 1
60.60 Standard published
Water quality — Enumeration of Escherichia coli and coliform bacteria — Part 2: Most probable number method
90.92 Standard to be revised