查询词典 sodium bisulfate

Abbe Refractometer product and infrared spectroscopy were determined to prove to be a product for the synthesis of products we need , confirmed that the sodium bisulfate catalyses the feasibility of a series of esters.

产品用阿贝折光仪和红外光谱仪进行了测定，证明产物为所要合成的产品，证实了用硫酸氢钠催化一系列酯的可行性。

Heated in water bath,uranyl ion and nitrate radical adsorbed on resin are replaced into solution by sodium bisulfate,then are determined by titanous method and spectrophotometry,respectively.

在水浴加热条件下，用硫酸氢根将吸附在树脂上的铀酰离子和硝酸根离子置换到液相中，之后分别采用亚钛法、分光光度法进行测定。

The synthesis methods of ethyl lactate catalyzed by P-toluene sulfonic acid, cationic exchange resin, ferric chloride hexahydrate, stannous chloride, Aluminium chloride, modified zirconium oxid, ferric-potassium vitriol, ammonium ferric sulfate dodecahydrate, rave earth sulfate, sodium bisulfate monohydrate, complex solid superacid, heteropoly acid, molecular sieve, ionic liquid and lipase etal.

评述了对甲苯磺酸，阳离子交换树脂，六水三氧化铁，氯化亚锡，三氯化铭，改性氧化锆，铁钾矾，十二水合硫酸铁铵，稀土硫酸盐，一水硫酸氢钠，复合固体超强酸，杂多酸，分子筛，离子液体和脂肪酶等催化剂催化合成乳酸乙酯的合成方法。

Diisopentyl oxalate was synthesized with oxalic acid and isoamyl alcohol as raw materials and sodium bisulfate as catalyst.

以草酸和异戊醇为原料，采用硫酸氢钠作催化剂合成草酸二异戊酯。

At the same time, with reference to the conditions of synthesis of methyl ester of salicylic acid, we combined ethyl ester of salicylic acid, salicylic acid-n-butyl, isobutyl salicylate, amyl salicylate, isoamyl salicylate and salicylic acid benzyl ester,besides, experimented the possibility for series of ester synthesis catalyst with Sodium bisulfate as a catalyst .

同时参照水杨酸甲酯的合成条件合成了水杨酸乙酯、水杨酸丁酯、水杨酸异丁酯、水杨酸戊酯、水杨酸异戊酯和水杨酸苄酯，实验了以硫酸氢钠为催化剂合成系列酯的可能性。

The results showed that sodium bisulfate was an excellent catalyst.

研究表明，硫酸氢钠是合成硝基卡因的良好催化剂。

The reaction process was confirmed and the performance of sodium bisulfate catalyst was also compared with other acid catalysts.

硫酸氢钠难溶于反应体系，后处理简单，副反应少，可重复使用，较其它相关催化剂具有突出的性能。

It studies the synthesis of n-butylacetate with acetic acid n-butanol as raw material,sodium bisulfate monobydrate as catalyst.

以一水合硫酸氢钠为催化剂，冰乙酸与正丁醇为原料合成了乙酸正丁酯。

The effects of the sodium bisulfate dosage, reaction temperature, water content, methanol flow rate on the conversion rate of waste oils were investigated.

考察了硫酸氢钠用量、反应温度、反应体系含水量、甲醇流量等对酯化反应转化率的影响。

Meanwhile, the sudden, a responsible person of the company said that the quality of their works are all complete, Formaldehyde has no part in the production of sodium bisulfate.

与此同时，对于突然出现的情况，该公司的一位负责人表示，自己厂的所有资质都齐全，不会出现有甲醛次硫酸氢钠加入生产的情况，该人士建议记者可以上他们网站查看资质许可证。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。