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The petroleum spirit is an aliphatic solvent hexane having a maximum aromatics content of) f. `1 Z* e) g2 c3 Z
0,1 % by volume, a kauri-butanol value of 29, an initial boiling point of approximately 65 °C, a' M7 I; H. \/ `4 | S1 d
dry-point of approximately 69 °C and a specific mass of approximately 0,7 kg/l.
( ^, X3 z2 \' `" P$ @: H6 h, h/ ?9 n
8 L7 M! _; J: [为了提供参考,所使用的汽油的指标规定如下:
1 | M3 B0 L! {$ J8 n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
5 S& k& D0 h2 W1 r) h(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/I2 Y) ]; @! G/ \
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看看先,合适么? |
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