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The petroleum spirit is an aliphatic solvent hexane having a maximum aromatics content of
- G( p8 k9 }0 H0,1 % by volume, a kauri-butanol value of 29, an initial boiling point of approximately 65 °C, a7 u) ]& F f9 g' f9 I
dry-point of approximately 69 °C and a specific mass of approximately 0,7 kg/l.
& ~- y% }( I4 e/ z- J& B: P) x2 X" r1 N! ]6 S; P4 y: J
为了提供参考,所使用的汽油的指标规定如下:
- O3 A: I3 _' d/ h9 i, y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 [. h: I6 J- I6 L: W- b# L" \( k4 q
(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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V5 P5 s1 y# }3 n4 R& `看看先,合适么? |
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