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sodium carbonate 純堿。【化學】碳酸鈉。

sodium chlorate

Big quantities of quicklime are used to convert sodium carbonate into sodium hydroxide , the key chemical reagent in this process 采用了大量的生石灰來把碳酸鈉轉換成氫氧化鈉,它是這個過程中

It is stirred with 10 % sodium carbonate solution ( 50ml ) and then with water ( 50ml ) , after which it solidifies 與10碳酸鈉溶液( 50毫升)混合攪拌,然后再用50毫升水混合攪拌,從而析出固體。

Sodium carbonate for industrial use - part 2 : determination of loss of mass and of non - volatile matter at 250 degree c 工業用碳酸鈉.第2部分:質量損失的測定和250時非揮發性物質的測定

Sodium carbonate for industrial use - part 3 : determination of total soluble alkalinity - section 2 : potentiometric method 工業用碳酸鈉.第3部分:總溶物堿性的測定.第2節:電位測量法

Specification and determintion methods of sodium carbonate for industrial use part 2 : specification and determintion methods 工業碳酸鈉及其試驗方法第2部分:工業碳酸鈉試驗方方法

Sodium carbonate for industrial use - part 3 : determination of total soluble alkalinity - section 1 : titrimetric method 工業用碳酸鈉.第3部分:總溶物堿性的測定.第1節:滴定分析法

Methods of sampling and test for sodium carbonate for industrial use - determination of total soluble alkali content 工業用碳酸鈉取樣及試驗方法.第1部分:可溶性堿總含量的測定

Sodium hydroxide for industrial use - part 2 : determination of total alkalinity , sodium hydroxide and sodium carbonate 工業用氫氧化鈉.第2部分:總堿度氫氧化鈉和碳酸鈉的測定

Photography - processing chemicals - specification for anhydrous sodium carbonate and sodium carbonate monohydrate 攝影技術.洗片化學制品.無水碳酸鈉和碳酸鈉一水化物規范

Photography . processing chemicals . specifications for anhydrous sodium carbonate and sodium carbonate monohydrate 攝影術.沖洗加工化學品.無水碳酸鈉和一水合成碳酸鈉規范

Specification and determintion methods of sodium carbonate for industrial use part 1 : sodium carbonate for industrial use 工業碳酸鈉及其試驗方法第1部分:工業碳酸鈉

Methods of sampling and test for sodium carbonate for industrial use - determination of matter insoluble in water 工業用碳酸鈉取樣及試驗方法.第4部分:水溶物質測定

Sodium carbonate for industrial use . determination of iron content . 1 , 10 - phenanthroline photometric method 工業用碳酸鈉.鐵含量的測定. 1 . 10 -菲繞啉分光光度法

Methods of sampling and test for sodium carbonate for industrial use - determination of non - volatile matter 工業用碳酸鈉取樣及試驗方法.第3部分:非揮發性物質測定

Methods of sampling and test for sodium carbonate for industrial use - determination of sulphate content 工業用碳酸鈉取樣及試驗方法.第5部分:硫酸鹽含量測定

Methods of sampling and test for sodium carbonate for industrial use - determination of chloride content 工業用碳酸鈉取樣及試驗方法.第2部分:氯化物含量測定

Sodium hydrogen carbonate for industrial use . determination of sodium carbonate content . potentiometric method 工業碳酸氫鈉.碳酸鈉含量的測定.電位測定法

Sodium carbonate for industrial use . determination of sulphate content . barium sulphate gravimetric method 工業用碳酸鈉.硫酸鹽含量的測定.硫酸鋇重量法

Methods of sampling and test for sodium carbonate for industrial use - determination of copper content 工業用碳酸鈉取樣及試驗方法.第7部分:銅含量測定