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Sodium hydroxide for industrial use. Sampling. Test sample. Preparation the main solution for testing
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Petroleum products. Transparent and opaque liquids. Determination of kinematic viscosity and calculation of dynamic viscosity
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Cutback bituminous products. Determination of distillation characteristics
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Cosmetic hygienic washing productions. General specifications
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Reagents. Chromic (III) nitrate nonahydrate. Specifications
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