标准号:IS 1448 Pt.73-1968
发布日期:1969/1/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This method describes a procedure for the detection of hydrogen sulphide in liquefied petroleum gases ( LPG ). The approximate lower limit of detection is 5 ppm ( 5 mg/1 ).1.1.1 Free sulphur and mercaptans do not interfere if present in normal concentrations.