HG/T 2158-2011.Industrial circulating cooling water-Determination of ammonium-Distillation and titration method. 1范围 HG/T 2158规定了以蒸馏和滴定法测定工业循环冷却水中铵的含量

HG/T 2157-2011 代替 HG/T 2157-1991.Industrial circulating cooling water-Determination of ammonium-Potentiometric method. 1范围 HG/T 2157规定了以电位法测定工业循环冷却水中铵

HG/T 3526-2011.Industrial circulating cooling water determination of nitrate-Spectrophotometric method using sulfosalicylic acid. 1范围 HG/T 3526规定了采用磺基

HG/T 3540-2011.Industrial circulating cooling water-Determination of total phosphate. 1范围 HG/T 3540规定了采用磷钼蓝光度法测定工业循环冷却水中总磷酸盐含量的方法。 HG/T 3540适用于工业循环冷却水

HG/T 3518-2011.Industrial circulating cooling water-Determination of mercaptobenzo-thiazole. 1范围 HG/T 3518规定了采用紫外分光光度法测定工业循环冷却水中巯基苯骈噻唑的方法。 HG/T 3518适用

HG/T 3516-2011.Industrial circulating cooling water-Determination of nitrite-Molecular absorption spectrometric method. 1范围 HG/T 3516规定了采用分子吸收分光光度法测定工

HG/T 4327-2012.Reclaimed water-Determination of total iron content-Spectrophotometric method. 1范围 HG/T 4327规定了以生活污水和工业废水为主的经适当处理后的再生水中总铁含量的测定方法。 HG/T

HG/T 4326-2012.Reclaimed water-Determination of nickel,copper,zinc,cadmium and lead-Atomic absorption spectromic methods. 1范围 HG/T 4326规定了再生水中镍、铜、锌、镉、

HG/T 4325-2012.Reclaimed water-Determination of calcium and magnesium-Atomic absorption spectromic method. 1范围 HG/T 4325规定了再生水中钙、镁含量的测定方法一原子吸收光谱法。 HG/

HG/T 4322-2012.Industrial circulating cooling water-Determination of undissolved material in silicate for sludge and corrosion products. 1范围 HG/T 4322