SIS SS-ISO 8819-1990
液化石油氣．氫化硫探測．乙酸鉛法

Liquefied petroleum gases — Detection of hydrogen sulfide — Lead acetate method

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標準號

SIS SS-ISO 8819-1990

發布日期

1990年06月06日

實施日期

廢止日期

無

發布單位

SE-SIS

適用范圍

This International Standard specifies a method for the detec-tion of hydrogen sulfide in liquefied petroleum gases. The lower limit of detectability is 4 mg of hydrogen sulfide in 1 m3 of liquefied petroleum gas. Methyl mercaptan, if present, produces a transitory yellow stain on the lead acetate paper which, however, fades completely in less than 5 min. Other sulfur compounds present in liquefied petroleum gas do not interfere with the test. NOTE — Liquefied petroleum gases and the products of their combus-tion should not be unduly corrosive or reactive to materials with which they come into contact. It is therefore important that the presence of any hydrogen sulfide should be detected. Additionally, the odour of hydrogen sulfide is unacceptable in some applications of liquefied petroleum gases (e.g. lighter fuel).