兑水 发表于 2009-10-17 16:46:37

ASTM D 5559-1995 磺酸化或硫酸化油中不存在铵或三乙醇胺皂时...

D5559-95(2001) Standard Test Method for Determination of Acidity as Free Fatty Acids/Acid Number in the Absence of Ammonium or Triethanolamine Soaps in Sulfonated and Sulfated Oils
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