sodium carbonate

Hard water which can be softened by adding sodium carbonate is called permanent hard water .

经过加入碳酸钠能被软化的硬水，称为永硬水。

PHYTOPHARMACEUTICAL PRODUCTS. SODIUM CARBONATE. REQUIREMENTS.

植物病药物产品.碳酸钠，要求

CHEMICAL PRODUCTS. PHOTOGRAPHIC GRADE CHEMICAL PRODUCTS. SODIUM CARBONATE, ANHYDROUS.

化学产品.摄影用化学产品.无水碳酸钠

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来把碳酸钠转换成氢氧化钠，它是这个过程中。

SODIUM HYDROGEN CARBONATE FOR INDUSTRIAL USE. DETERMINATION OF SODIUM CARBONATE CONTENT. POTENTIOMETRIC METHOD.

工业碳酸氢钠.碳酸钠含量的测定.电位滴定法

sodium hydrogen carbonate for industrial use . determination of sodium carbonate content . titrimetric method.

工业用碳酸氢钠。碳酸钠含量的测定。滴定法。

The experiment researches the influence of sodium carbonate's dose on the rate of reclaiming fluorin from mine of fluoro carbon.

实验研究碳酸钠的用量对氟碳锌矿中氟回收率的影响。

Examples are sodium carbonate and potassium acid phthalate which are used to standardize acid and base solutions.

例如碳酸钠和邻苯二酸氢钾，分别用来标定酸和碱溶液。

Such as the scale of the main ingredient is calcium sulfate, sodium carbonate solution can be poured cooking kettle can be detergent.

作为规模等主要成分是硫酸钙，碳酸钠溶液可烧水做饭倒可以洗涤剂。

SODIUM CARBONATE FOR INDUSTRIAL USE. DETERMINATION OF SULPHATE CONTENT. BARIUM SULPHATE GRAVIMETRIC METHOD.

工业碳酸钠.硫酸盐含量的测定.硫酸钡重量法

sodium carbonate for industrial use . determination of sodium hydrogen carbonate . volumetric method.

工业用碳酸钠。碳酸氢钠含量的测定。容量法。

Nonionic surfactant, sodium carbonate, Sodium MetaSilicate.

非离子表面活性剂，碳酸钠，硅酸钠。

High alkyl sulfate, non-ionic surfactant, sodium metasilicate, calcium carbonate, sodium carbonate.

高分子烷基硫酸盐，非离子表面活性剂，硅酸钠，碳酸钙，碳酸钠。

And the preparation comprises that mixing uniformly the montmorillonite, common salt, sodium carbonate and finding, packing.

本发明制备方法是：蒙脱石、氯化钠、碳酸钠、与辅料充分混匀后，分装。

sodium carbonate prepared in solution, must assure solution concentration in requirements range.

配制碳酸钠溶液时，一定要保证溶液浓度在要求范围内。

A solidification matrix includes a straight chain saturated carboxylic acid salt, sodium carbonate, and water.

凝固基体包括直链饱和羧酸盐、碳酸钠和水。

The influence of sodium carbonate, sodium hydroxide and sodium silicate on dispersion of hematite fines were studied.

通过单矿物沉降试验，研究了碳酸钠、氢氧化钠和硅酸钠对微细粒赤铁矿分散行为的影响。

Mark Brenckle, an undergraduate at Tufts, adding sodium carbonate into boiling water as part of the silk degumming process.

塔夫斯大学的大学生马克·布伦克尔（MarkBrenckle）正在往沸水中加入碳酸钠，这是蚕丝脱胶步骤的一部分。

The effects of citric acid, sodium chloride and sodium carbonate adding on color-protection of pumpkin noodle were studied.

结果表明：单独添加柠檬酸对南瓜面条制品的色泽无明显的增色作用，同时在光照条件下也无护色效果。

Experiments find that sodium carbonate can be used as fired fly ash brick blank plasticizer for preparing fired fly ash brick.

本发明通过实验发现碳酸钠可作为烧结粉煤灰砖坯料塑化剂以应用于制备烧结粉煤灰砖；