Plumbite of sodium and sulfur method.

酸酸铅法。

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、代酸溴代正丁烷为原料,合成了正庚醛正丁醇缩醛。

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

消毒设施包括次氯酸及亚酸储存，调控相关的管道系统。

Water, Cetyl Alcohol, Propylene Glycol, Sodium Lauryl Sulfate, Stearyl Alcohol, Methylparaben, Propylparaben, Butylparaben.

水，十六醇，丙二醇，十二烷基酸，硬脂醇， Methylparaben ， Propylparaben ， Butylparaben 。

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，其它成是：乳，焦亚酸。

With sodium hyposulphite standard solution used in titration and starch developing agent as indicator,iron content can be determined.

以代酸标准溶液漓定,以淀粉显色为指示剂,可测定铁含量。

Ingredients:olive extract, whitening factor,fatty alcohol polyoxyethyleneether sulfate, xanthane, polyethylene scratching particles, jojoba scratching particles.

橄榄提取液,美白因子,脂肪醇醚酸，汉生胶，聚乙烯磨砂粒，霍霍巴磨砂粒。

A separation model of ionizable and neutral enantiomers with cyclodextrin-sodium dodecyl sulphate (SDS) micellar electrokinetic chromatography was established.

建立了环糊精-十二烷基酸胶束电动色谱中可电高及电中性-光学异构体的型。

After comparison,sodium hyposulfite is the preferred absorbent,which the resultant has no influence on the environment with sodium hyposulfite over absorbed dose.

经比较,代酸吸收量大,生成物对环境没有影响,为首选吸收剂。

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

斜述了用焦亚酸为原料,经锌粉还原与甲醛加成反应,生产次酸氢甲醛的新工艺。

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，部有机氯胺在脱氯时不易被亚酸脱除。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的合成工艺进行了比较研究,认为氢化法代酸法生产成本低,适宜于选矿用巯基乙酸的生产,而脲法可得到较高浓度的巯基乙酸。

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%.

研究了牛磺酸（2-氨乙基磺酸）合成的新工艺：用氨基乙醇酸酯与亚酸溶液反应制备，收率达85％。