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The petroleum spirit is an aliphatic solvent hexane having a maximum aromatics content of
9 i/ B9 d0 v* k k. k7 s0,1 % by volume, a kauri-butanol value of 29, an initial boiling point of approximately 65 °C, a
: o0 E' S9 X4 h/ |' Y+ Edry-point of approximately 69 °C and a specific mass of approximately 0,7 kg/l.' m& W2 q+ F" Y; H/ \& h
% s9 ^) U6 u5 |* n' ?$ U为了提供参考,所使用的汽油的指标规定如下:8 k! r. f1 F8 s+ {
试验用汽油是脂肪族(无环)溶剂乙烷,其最大芳香烃的体积百分比含量约为0.1%,贝壳松脂丁醇) e) U$ \3 I, i D
(溶解溶液)值约为29,初始沸点值约为“c,干涸点值约为69 C,密度约为0. 7 kg/I9 O. {& f9 w6 p
4 I5 E; x: ` u8 ^7 S看看先,合适么? |
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