Methods for measuring the mass concentration of hexavalent chromium in the air
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Method for determination of phosphate mass concentration by photocolorimetric method in the form of phosphorus-antimony-molybdenum compound in conditionally-clean wastewater
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METHOD FOR MEASURING THE VOLUME CONCENTRATION OF FLUORINE TOTAL POTENTIOMETRIC METHOD IN THE EXHAUST GASES OF THE PRODUCTION OF ELEMENTAL PHOSPHORUS
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METHOD FOR PERFORMANCE OF MEASUREMENTS FOR DETERMINING THE VOLUME CONCENTRATION OF ELEMENTAL PHOSPHORUS BY THE TITRIMETRIC METHOD IN THE EXHAUST GASES OF THE PRODUCTION OF PHOSPHORUS
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Guidelines for the definition of silica in certain dust
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Guidelines on turbidimetric determination of aerosol (mist) of sulfuric acid in the air
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Guidelines for measuring aerosol concentrations of predominantly fibrogenic action
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Water and aquatic environments. MASS SPECTROMETRIC METHOD FOR DETERMINING ELEMENTS
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Technical chromic anhydride. Methods for measuring composition indicators
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Calcined Coke Determination of Grain Strength Using a Laboratory Vibratory Mill
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Crude coke for electrodes VOC determination by gravimetric analysis
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