共找到 210 条与 相关的标准,共 14 页
本标准适用于测定天然水和循环冷却水中硫酸根离子。
Methods for analysis of water for boiler and for cooling--The determination of sulfate--Photometric method as Barium chromate
本标准适用于测定天然水和循环冷却水中硫酸根离子。
Methods for analysis of water for boiler and for cooling--The determination of sulfate--Potentiometric titration method
本标准适用于原水、锅炉水、冷却水的控制分析。
Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrates
本标准适用于原水、锅炉水、冷却水的控制分析。
Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrites
本标准适用于核工业排放废水中锶-90的分析。测定范围:101~10Bq/L(10-11~10-9Ci/L)。 干扰测定:水样中钙含量大于4.0g时对锶的化学回收率的测定有影响。
Radiochemical analysis of strontium-90 in water--Precipitation by fuming nitric acid
本标准适用于饮用水、地面水和核工业排放废水中锶-90的分析。测定范围:10~10Bq/L(10~10Ci/L)。干扰测定:水样中钙的浓度超过1.5g/L时,会使锶的化学回收率偏高。
Radiochemical analysis of strontium-90 in water--Ion exchange method
本标准适用于饮用水、地面水和核工业排放废水中锶-90的分析。测定范围:102~10Bq/L(10-12~109Ci/L)。干扰测定:钇-91存在时会干扰锶-90的快速测定;铈-144和钷-147等核素的含量大于锶-90含量的100倍时,会使快速法测定锶-90的结果偏高。
Radiochemical analysis of strontium-90 in water--Extraction chromatography by di-(2-ethylhexyl) phosphoric acid
本方法适用于饮用水、地面水和核工业排放废水中铯-137的分析。测定范围:10~10BqL(10~10Ci/L)。干扰测定:水样中铵离子浓度超过0.1mol/L时,使磷钼酸铵对铯的吸附量显著下降。
Radiochemical analysis of cesium-137 in water
本标准包括:1固体荧光法(磷酸三丁酯萃取-铀试剂Ⅲ反萃取或三正辛基氧膦萃取);2液体激光荧光法;3分光光度法(磷酸三丁酯萃取-铀试剂Ⅲ反萃取)。前两种方法适用于天然水和排放废水中微量铀的测定,第三种方法适用于排放废水中微量铀的测定。
Methods of analyzing microquantity of uranium in water
本标准适用于经过处理或初步处理后的雷汞废气中的耗氧值和氧化氮的测定。适用范围耗氧值2~200mg/L,氧化氮1~100mg/m3。
Waste gas from manufacturing process--Determination of chemical oxygen demand and nitrogen oxide--Potassium dichromate oxidation and naphthylethylene diamine colorimetric method
本方法适用于梯恩梯生产废水中三硝基化合物(以2,4,6-三硝基甲苯计)和一硝基化合物、二硝基化合物(以2,4-二硝基甲苯计)总和的测定。
Waste water from manufacturing process--Determination of total nitro compounds--Spectrophotometric method
本方法适用于梯恩梯生产废水及排放废水中的一硝基甲苯、二硝基甲苯、三硝基甲苯及其异构物等主要硝基化合物测定(不包括硝基化合物的盐)。
Waste water from manufacturing process--Determination of total nitro compounds--Gas chromatographic method
Air Pollutant Emission Standards for Household Garbage Incineration
Coagulation-flocculation jar test of water
Determination of free chlorine and total chlorine in water by electrochemical method
Ultramagnetic separation water purification complete equipment
Method for determination of tetra-through octa-chlorodibenzo-p-dioxins, tetra-though octa-chlorodibenzofurans and coplanar polychlorobiphenyls in industrial water and wastewater
Testing methods for concentration of fine particles in highly purified water
Testing methods of pH controlling equipments
Water quality-Evaluation of the “ultimate” anaerobic biodegradability of organic compounds in digested sludge-Method by measurement of the biogas production
Copyright ©2007-2022 ANTPEDIA, All Rights Reserved
京ICP备07018254号 京公网安备1101085018 电信与信息服务业务经营许可证:京ICP证110310号