ASTM D1534用比色指示剂滴定法测定电绝缘液近似酸度标准试验方法
日期:2012-02-08 17:08
thermal difficulties attributable to insoluble components called sludge. This test method is adapted to a specific volume of oil; total acid values of 0.05 to 0.5 mg of potassium hydroxide per gram of oil is a range which is functionally significant.
1. Scope
1.1 This test method describes the determination of the approximate total acid value of used electrical insulating liquids having viscosities less than 24 cSt at 40C. It is a simple procedure that can be applied in the field. Where a quant
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09/11 16:48