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Fluorinated hydrocarbons for industrial use — Determination of non-volatile residue
90.93 Standard confirmed
Sodium hydroxide for industrial use — Determination of mercury content — Flameless atomic absorption spectrometric method
90.93 Standard confirmed
Chemical products for industrial use — General method for determination of chloride ions — Potentiometric method
90.93 Standard confirmed
Chemical products for industrial use — General method for determination of traces of sulphur compounds, as sulphate, by reduction and titrimetry
90.93 Standard confirmed
Reagents for chemical analysis — Part 1: General test methods
90.93 Standard confirmed
Reagents for chemical analysis — Part 2: Specifications — First series
90.93 Standard confirmed
Reagents for chemical analysis — Part 2: Specifications — First series — Addendum 2
60.60 Standard published
Reagents for chemical analysis — Part 3: Specifications — Second series
90.93 Standard confirmed
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
90.93 Standard confirmed
Liquefied anhydrous ammonia for industrial use — Sampling — Taking a laboratory sample
90.93 Standard confirmed
Liquefied anhydrous ammonia for industrial use — Determination of water content — Karl Fischer method
90.93 Standard confirmed
Liquefied anhydrous ammonia for industrial use — Determination of oil content — Gravimetric and infra-red spectrometric methods
90.93 Standard confirmed
Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
90.93 Standard confirmed
Ammonia solution for industrial use — Determination of residue after evaporation at 105 degrees C — Gravimetric method
90.93 Standard confirmed
Ethylene for industrial use — Sampling in the liquid and the gaseous phase
60.60 Standard published
Sodium carbonate for industrial use — Preparation and storage of test samples
90.93 Standard confirmed
Sodium carbonate for industrial use — Determination of total soluble alkalinity — Titrimetric method
90.93 Standard confirmed