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一试剂1 0.02M EGTA标准溶液:称取19.01克EGTA,加50毫升1N NaOH,用热水溶解后,稀至1升,摇匀。2 Zn-EGTA溶液:0.01M,0.02MEGTA与0.02MZn溶液等体积混合。3 硼酸盐绶冲液:pH=10,称6.183克硼酸,7.456克氯化钾,3.512克氢氧化钠溶于1升水中.4 Ba-EGTA溶液:0.025M,9.5000克EGTA和4.9250克纯碳酸钡加水500毫升,
A reagent 1 0.02M EGTA standard solution: Weigh 19.01 g EGTA, add 50 ml of 1N NaOH, dissolved in hot water, dilute to 1 liter, shake. 2 Zn-EGTA solution: 0.01 M, 0.02 MEGTA and 0.02 M Zn solution in equal volumes. 3 Boronate SLC solution: pH = 10, weighed 6.183 g Boric acid, 7.456 g Potassium chloride, 3.512 g Sodium hydroxide dissolved in 1 liter of water 4 Ba-EGTA solution: 0.025 M, 9.5000 g EGTA and 4.9250 g pure Barium carbonate 500 ml of water,