This standard specifies the determination of the hydrocarbon composition of industrially cracked C4 by gas chromatography. This standard is applicable to the determination of hydrocarbon composition with a concentration of not less than 0.01% (mass fraction) in industrial cracked carbon four fractions. This standard is also applicable to the quantitative analysis of carbon tetrahydrocarbons from other sources.
SH/T 1141-2015 Referenced Document
GB/T 3723 Sampling of chemical products for industrial use--Safety in sampling
GB/T 6680 General rules for sampling liquid chemical products
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values