German standard methods for the examination of water,waste water and sludge - Cations (group E) - Part 3: Determination of calcium and magnesium,complexometric method (E 3)
Water quality--Determination of nitrobenzene, mononi-trotoluene (MNT), nitrochlorobenzene and oinitrotoluene (ONT)--Gas chromatography
发布日期:1991-08-30 实施日期:1992-06-01
Water quality -- Practices for evaluating and controlling microbiological colony count media used in water quality tests
适用范围:Describes a method used for the comparison and evaluation of the same medium prepared from different lots of materials, and deals with the comparison and evaluation of different media which are used fo...
发布日期:1991-10-01 实施日期:1991-10-01
Water quality. Digestion for the determination of selected elements in water. Part 1:Aqua regia digestion first edition
适用范围:This part of ISO 15587 specifies a method for extracting trace elements from a water sample using aqua regia as a digestion agent. The method is applicable to all types of waters with a suspended solid...
实施日期:2002-03-01
Water quality Application of inductively coupled plasma mass spectrometry (ICP-MS) Part 2:Determination of 62 elements Renumbered as BS EN ISO 17294-2:2004;Also Known As BS 6068-2.89:2004;[:BSI BS EN I...
适用范围:This part of ISO 17294 specifies a method for the determination of the elements aluminium, antimony, arsenic, barium, beryllium, bismuth, boron, cadmium, caesium, calcium, cerium, chromium, cobalt, cop...
实施日期:2003-12-17
Water quality; determination of anionic surfactants by measurement of the methylene blue index MBAS (ISO 7875-1:1984, modified); German version EN 903:1993
适用范围:The document describes a method for photometric determination of low concentrations of methylene blue active substances (MBAS), i.e. anonic surface active material (chiefly sulfonates and sulfates) in ...
Water quality determination of the genotoxicity of water and waste water salmonella/microsome test (ames test) first edition
适用范围:This International Standard specifies a method for the determination of the genotoxic potential of water and wastewater using the bacterial strains Salmonella typhimurium TA 100 and TA 98. This method ...
实施日期:2005-04-01
Water quality--Determination of lead--Spectrophotometric method with dithizone
适用范围:本标准适用于测定天然水和废水中微量铅。测定铅浓度在0.01~0.30mg/L之间。铅浓度高于0.30mg/L,可对样品作适当稀释后再进行测定。 检出限:当使用光程长为10mm比色皿,试份体积为100ml,用10ml双硫腙萃取时,最低检出浓度可达...
发布日期:1987-03-14 实施日期:1987-07-31
Pruefverfahren fuer Wasser fuer industrielle Zwecke. Siliziumdioxid:reaktiv,total und suspendiert Water Used in Industry Part 104:Silica:Reactive,Total and Suspended Methodes d'essai de l'eau. usage in...
适用范围:Reactive silica by formation of molybdosilicic acid, reduction to molybdenum blue and spectrophotometric measurement. Applicable to up to 50 $Gmg of SiO$d2 in up to 100 ml. Total silica by prior fusion...
实施日期:1983-01-01
实施日期:2007-02-01
实施日期:2007-05-01
German standard methods for the analysis of water, waste water and sludge; Summary action and material characteristic parameters (group H); Determination for the chemical oxygen demand (COD); short dur...
Water quality; determination of electrical conductivity (ISO 7888:1985); German version EN 27888:1993
发布日期:1993-11-01 实施日期:1993-11-01
Water quality - Evaluation of the "ready", "ultimate" aerobic biodegradability of organic compounds in an aqueous medium - Method by analysis of dissolved organic carbon (DO
Water quality -- Calibration and evaluation of analytical methods and estimation of performance characteristics -- Part 2: Calibration strategy for non-linear second-order calibration functions
发布日期:2001-11-01 实施日期:2001-11-01
Empfehlungen fuer die Behandlung von Wasser fuer Kessel auf Schiffen Recommendations for Treatment of water for marine boilers Recommandations relatives au traitement des eaux destinees aux chaudières ...
适用范围:Covers sources of water and limiting impurities for various groups of boilers, pre-commission cleaning, objectives of water treatment, treatment of water before the boiler and in the boiler, preservati...
实施日期:1983-07-29
Water quality--Determination of aniline compounds--Spectrophotometric method with N-(1-naphthyl) ethy lenediamine
适用范围:本标准规定了测定水中苯胺类化合物的N-(1-萘基)乙二胺重氮偶合比色法。 本标准适用于地面水、染料、制药等废水中芳香族伯胺类化合物的测定。 试料体积为25mL,使用光程为10mm的比色皿,本方法的最低检出浓度为含苯胺0.03mg/...
发布日期:1989-11-03 实施日期:1990-06-30
German standard methods for the examination of water, waste water and sludge; physical and physico-chemical parameters (group C); determination of beta activity per unit volume in drinking water, groun...
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