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The petroleum spirit is an aliphatic solvent hexane having a maximum aromatics content of8 r3 I, w$ b1 O" y
0,1 % by volume, a kauri-butanol value of 29, an initial boiling point of approximately 65 °C, a
3 O% l9 {. m) Ldry-point of approximately 69 °C and a specific mass of approximately 0,7 kg/l.
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为了提供参考,所使用的汽油的指标规定如下:
0 [6 n( d n$ d8 X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9 Q5 p. w! J1 H5 Z
(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/I
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看看先,合适么? |
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