• This paper discusses the method for measurement of heavy metal (calculate by Pb) by sodium sulphide -glycerine solution instead of saturated hydrogen sulphide solution.

    探讨硫化钠-丙三醇溶液代替饱和硫化氢水溶液进行重金属(铅计)测定分析方法

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  • Sulphate pulp: Alkaline pulp made from wood chips cooked under pressure in a solution of caustic soda and sodium sulphide.

    重硫酸盐:把木片苛性钠硫酸钠溶液内加压蒸煮而成的碱性浆。

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  • Sulphate pulp: Alkaline pulp made from wood chips cooked under pressure in a solution of caustic soda and sodium sulphide.

    重硫酸盐:把木片苛性钠硫酸钠溶液内加压蒸煮而成的碱性浆。

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