亚硫酸钠

The disinfection facilities include storage, dosing and associated pipeline systems for sodium hypochlorite sodium bisulphite.

消毒设施包括次氯及储存，调控和相关的管道系统。

Each tablet contains 25mg Promethazine teoclate. Other ingredients include: lactose, sodium metabisulphite (E223).

本药品每片含有茶异丙嗪25毫克，其它成分是：乳糖，。

This paper describes a new technology for production of rongalite based on sodium pyrosulfite reduced by zinc powder and reacted with formaldehyde.

斜述了用为原料,经锌粉还原甲醛加成反应,生产次甲醛的新工艺。

Organic chloramines may be stable in the natural water body for a long time.Some organic chloramines show resistant to the sodium sulfite during the dechlorination.

有机氯胺在一定条件下可以在自然水体中长时间稳定存在，部分有机氯胺在脱氯时不易被脱除。

This paper studied the new synthetic technology of taurin (2- aminoethanesulforic acid).It was synthe sized by the reaction of monoethanol amine sulfate with sodium sulfrous in yield of 85%.

研究了牛磺（2-氨乙基磺）合成的新工艺：用氨基乙醇酯溶液反应制备，收率达85％。