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Optical brightness. Methods for the determination of concentration spade and maximum brightening effect of pulp-treated paper
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Liquefied petroleum gases. Method for determination of hydrogen sulfide, mercaptan sulfur and carbon sulphoxide
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Surface active agents. Sulfated ethoxylated alcohols and alkylphenols. Estimation of the mean relative molecular mass
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Liquid petroleum paraffins. Method for determination of impurities content and calculation of n-alkanes content
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