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Gas cylinders — Gas cylinder valve connections for use in the micro-electronics industry — Part 2: Specification and type testing for valve to cylinder connections
90.93 Standard confirmed
Soil quality — Determination of carbonate content — Volumetric method
90.92 Standard to be revised
Soil quality — Determination of organic and total carbon after dry combustion (elementary analysis)
90.92 Standard to be revised
Water quality — Determination of selected organic nitrogen and phosphorus compounds — Gas chromatographic methods
90.93 Standard confirmed
Steel — Determination of calcium content by flame atomic absorption spectrometry — Part 1: Determination of acid-soluble calcium content
90.93 Standard confirmed
Steel — Determination of calcium content by flame atomic absorption spectrometry — Part 2: Determination of total calcium content
90.93 Standard confirmed
Steel — Determination of antimony content — Electrothermal atomic absorption spectrometric method
90.92 Standard to be revised
Steel and iron — Determination of manganese content — Flame atomic absorption spectrometric method
90.92 Standard to be revised
Steel and iron — Determination of sulfur content — Methylene blue spectrophotometric method
90.92 Standard to be revised
Steel and iron — Determination of nitrogen content — Titrimetric method after distillation
90.92 Standard to be revised
Water quality — Gamma-ray emitting radionuclides — Test method using high resolution gamma-ray spectrometry
90.20 Standard under periodical review
Water quality — Gross alpha and gross beta activity — Test method using thin source deposit
90.92 Standard to be revised
Water quality — Detection and enumeration of bacteriophages — Part 1: Enumeration of F-specific RNA bacteriophages
90.93 Standard confirmed
Water quality — Detection and enumeration of bacteriophages — Part 2: Enumeration of somatic coliphages
90.93 Standard confirmed
Water quality — Detection and enumeration of bacteriophages — Part 3: Validation of methods for concentration of bacteriophages from water
90.60 Close of review
Water quality — Detection and enumeration of bacteriophages — Part 4: Enumeration of bacteriophages infecting Bacteroides fragilis
90.93 Standard confirmed
Water quality — Determination of long term toxicity of substances to Daphnia magna Straus (Cladocera, Crustacea)
90.93 Standard confirmed
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