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The petroleum spirit is an aliphatic solvent hexane having a maximum aromatics content of* t& `, F G( I: s. a
0,1 % by volume, a kauri-butanol value of 29, an initial boiling point of approximately 65 °C, a
5 s+ F( g- |( F" } f- F: o# w5 Ndry-point of approximately 69 °C and a specific mass of approximately 0,7 kg/l.1 ~) e' ~. _: G
, U/ ^( q8 Y `5 d2 A$ x7 t( c为了提供参考,所使用的汽油的指标规定如下:; i/ v6 V5 J' t" g: W
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+ C5 k( ~, g" t
(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/I6 `, N! t7 ~! I3 u# z- b
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看看先,合适么? |
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