兑水 发表于 2009-10-17 16:48:55

ASTM D 5562-1995 存在铵或三乙醇胺皂时酸度作为游离脂肪酸值...

D5562-95(2001) Standard Test Method for Determination of the Acidity as Free Fatty Acids/Acid Number in the Presence of Ammonium or Triethanolamine Soaps
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