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90.93 Standard confirmed
60.60 Standard published
60.60 Standard published
90.93 Standard confirmed
90.93 Standard confirmed
90.93 Standard confirmed
Petroleum products and hydrocarbon solvents - Detection of thiols and other sulfur species — Doctor test
90.93 Standard confirmed
Aromatic hydrocarbons — Determination of sulphur content — Pitt-Ruprecht reduction and spectrophotometric method
90.20 Standard under periodical review