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The petroleum spirit is an aliphatic solvent hexane having a maximum aromatics content of
% z* u0 P1 _ u1 W- s- f2 T0,1 % by volume, a kauri-butanol value of 29, an initial boiling point of approximately 65 °C, a
( h2 i+ D! I; N- n! Sdry-point of approximately 69 °C and a specific mass of approximately 0,7 kg/l.
% l, w- ^# I, L4 Y
& q( d1 t+ |$ @1 t为了提供参考,所使用的汽油的指标规定如下:$ C( z, ~. ^: |8 E$ j
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
0 }% L7 i) p4 Q6 j(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; h; y) f4 p7 k5 g: a( c7 Q
( @+ f5 z, H+ j1 t" D9 Q看看先,合适么? |
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