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Soil quality — Determination of total nitrogen content by dry combustion ("elemental analysis")
90.93 Standard confirmed
Petroleum and natural gas industries — Content and drafting of a functional specification
90.93 Standard confirmed
Ethanol for industrial use — Methods of test — Part 1: General
90.93 Standard confirmed
Ethanol for industrial use — Methods of test — Part 10: Estimation of hydrocarbons content — Distillation method
90.93 Standard confirmed
Ethanol for industrial use — Methods of test — Part 11: Test for detection of furfural
90.93 Standard confirmed
Ethanol for industrial use — Methods of test — Part 12: Determination of permanganate time
90.93 Standard confirmed
Ethanol for industrial use — Methods of test — Part 2: Detection of alkalinity or determination of acidity to phenolphthalein
90.93 Standard confirmed
Ethanol for industrial use — Methods of test — Part 3: Estimation of content of carbonyl compounds present in small amounts — Photometric method
90.93 Standard confirmed
Ethanol for industrial use — Methods of test — Part 4: Estimation of content of carbonyl compounds present in moderate amounts — Titrimetric method
90.93 Standard confirmed
Ethanol for industrial use — Methods of test — Part 5: Determination of aldehydes content — Visual colorimetric method
90.93 Standard confirmed
Ethanol for industrial use — Methods of test — Part 6: Test for miscibility with water
90.93 Standard confirmed
Ethanol for industrial use — Methods of test — Part 7: Determination of methanol content (methanol contents between 0,01 and 0,20 % (V/V)) — Photometric method
90.93 Standard confirmed
Ethanol for industrial use — Methods of test — Part 8: Determination of methanol content (methanol contents between 0,10 and 1,50 % (V/V)) — Visual colorimetric method
90.93 Standard confirmed
Ethanol for industrial use — Methods of test — Part 9: Determination of esters content — Titrimetric method after saponification
90.93 Standard confirmed
Petroleum and natural gas industries — Content and drafting of a technical specification
90.93 Standard confirmed
Petroleum and natural gas industries — Classification and conformity assessment of products, processes and services
90.93 Standard confirmed
Animal and vegetable fats and oils — Determination of isolated trans isomers by infrared spectrometry
90.93 Standard confirmed