GOST - Russian national standards

Organic fertilizers. Methods for determination of ammonium nitrogen

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Organic fertilizers. Methods for determination of total phosphorus

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Organic fertilizers. Method for determination of total potassium

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Copper-based powder antifriction materials. Types

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Freight gondolas. General specifications

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Reagents. Flame-photometric method for determination of impurities sodium, potassium, calcium and strontium

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Blad cultivators. General technical requirements

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Caprolactam for industrial use. Determination of colour of 50% aqueous caprolactam solution expressed in Hazen units (platinum-cobalt scale). Spectrometric method

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Caprolactam for industrial use. Determination of crystallizing point

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Caprolactam for industrial use. Determination of absorbance at a wave length of 290 nm

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