共找到 18 条与 相关的标准,共 2 页
WATER QUALITY. DETERMINATION OF TURBIDITY. (EUROPEAN STANDARD EN 27027).
Testing water. Detection and enumeration of groupe D streptococci. General methd by culture in liquid media (mpn).
WATER ANALYSIS. DETERMINATION OF FREE CHLORINE AND TOTAL CHLORINE. TITRIMETRIC METHOD USING N,N-DIETHYLPHENYLENE-1,4 DIAMINE.
WATER ANALYSIS. DETERMINATION OF FREE CHLORINE AND TOTAL CHLORINE. COLORIMETRIC METHOD USING N,N-DIETHYLPHENYLENE-1,4 DIAMINE.
TESTING WATER. DETERMINATION OF TOTAL MERCURY BY FLAMELESS ATOMIC ABSORPTION SPECTROMETRY. METHOD AFTER DIGESTION WITH BROMINE.
TESTING WATER. DETECTION AND ENUMERATION OF COLIFORMS AND THERMOTOLERANT COLIFORMS. GENERAL METHOD BY MEMBRANE FILTRATION.
Testing water. Determination of fluoride ion. Potentiometric method.
Testing water. Determination of the acute toxicity of a substance to {Salmo} {gairdneri}. Static and flow through methods.
TESTING WATER. DETERMINATION OF CALCIUM AND MAGNESIUM BY ATOMIC ABSORPTION SPECTROMETRY.
TESTING WATER: DETERMINATION OF TOTAL CYANIDES CONTENT.
TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
TESTS FOR WATER. PUTRESCIBILITY TEST.
WATER TESTING. DETERMINATION OF CARBON DIOXIDE.
TESTING WATER. PHOTOMETRIC DETERMINATION OF IODINE.
WATER TESTING. ELECTROMETRIC MEASUREMENT OF PH WITH THE GLASS ELECTRODE.
WATER TESTING. DETERMINATION OF CHLORINE IONS.
TESTING WATER. COLORIMETRIC MEASUREMENT OF PH.
TESTING WATER. DETERMINATION OF SILICON.
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