Methods of test for petroleum and its products. Petroleum product. Determination of water. Potentiometric Karl Fischer titration method best-seller of a 60° centre hole

of a 60° centre hole

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Methods of test for petroleum and its products. Petroleum product. Determination of water. Potentiometric Karl Fischer titration method best-seller of a 60° centre hole1 Scope This International Standard specifies a method for the direct determination of water in petroleum products boiling below 390 C. It covers the mass fraction range 0,003 % (m m) to 0,100 % (m m). This International Standard may be applicable to petroleum products boiling above 390 C and lubricating base oils. However, the precision has not been established for these materials. NOTE 1 A number of substances and classes of compounds associated