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1.GB223.25～223.34—84标准已于1985年7月(由新华书店北京发行所发行各地新华书店经售及北京复外三里河中国标准出版社销售)出版并发售。它们是: 丁二肟重量法测定镍量 硫氰酸盐直接光度法测定钼量 硫氰酸盐—乙酸丁酯萃取光度测定钼量 。—安息香肟重量法测定钼量 载体沉淀—二甲酚橙光度法测定铅量 对溴苦杏仁酸沉淀分离—偶氮胂Ⅲ光度测定锆量
1. The GB223.25 ~ 223.34-84 standard was published and sold in July 1985 (sold by Xinhua Bookstore distributed throughout Xinhua Bookstore Beijing Issue and sold by Beijing Fuwansan Sanlihe China Standard Press). They are: Determination of molybdenum content by butyllithium gravimetric method for the determination of molybdenum content by the method of butyllithium gravimetric method. - benzoin oxime gravimetric determination of molybdenum content carrier precipitation - xylenol orange photometric method for the determination of lead content of brominated mandelic acid precipitation - arsenazo Ⅲ photometric determination of zirconium content