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ph value calculation

ph value calculation, Total:2 items.

In the international standard classification, ph value calculation involves: .

NL-NEN, ph value calculation

• NEN 6523-1990 Water - A method for the calculation of the content of hydrogen carbonate, carbon dioxide and carbonate from total carbon dioxide content and the pH

AT-ON, ph value calculation

• ONORM S 7012-1982 Testing of leather; determination of pH-value and difference figure of an aqueous extract of leather

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