水中化學需氧量檢測方法-重鉻酸鉀迴流法 水樣加入過量重鉻酸鉀溶液,在約50%硫酸溶液中迴流,剩餘之重鉻酸鉀,以硫酸亞 鐵銨溶液滴定,由消耗之重鉻酸鉀量,即可求得水樣中化學需氧量(Chemical ...
實驗九化學需氧量檢測方法 酸化之水樣加入過量之重鉻酸鉀容液迴流煮沸,剩餘之重鉻酸鉀,以硫酸亞鐵銨溶液 滴定;由消耗之重鉻酸鉀,即可求得水樣中化學需氧量,可用以表示水樣中可被氧化 ...
水中化學需氧量檢測方法重鉻酸鉀迴流法 水中化學需氧量檢測方法─重鉻酸鉀迴流法. NIEA W515.54A. 一、方法概要. 水樣 加入過量重鉻酸鉀溶液,在約50%硫酸溶液中迴流,剩餘之重鉻酸鉀,以硫酸亞鐵銨 ...
Ferrous Ammonium Sulfate Caution Caution - Kodak Fe(NH4)2(SO4)2•6H2O. Also: Ferrous Ammonium Sulfate Hexahydrate, (FAS). Reagent ... Potassium Dichromate, K2Cr207, NIST Oxidimetric. Primary Standard ...
Potassium dichromate reaction - Homework Help - Science Forums I need to work out the equation for the reaction between potassium dichromate(VI ) and ammonium iron(II) sulphate, but I just don't know where to start...any ...