The chemical formula NaOH, commonly known as caustic soda, as a strong corrosive alkali, pearl form, soluble in water ( heat release when dissolved in water) and the formation of alkaline solution, and deliquescence, easy to absorb the air of water vapor (deliquescence) and carbon dioxide (metamorphism)
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It is mainly chemical manufacturing, followed by paper, aluminum, tungsten refining, rayon, rayon and soap manufacturing industry. In addition, the production of dyes, plastics, pharmaceutical and organic intermediates, the regeneration of the old rubber, metal sodium, water electrolysis and inorganic salt production, preparation of borax, chromium salts, manganese salts, phosphate, also use a lot of caustic soda.
|Grade||Tech Grade||Molecular Formula||NaOH|
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1. Weigh about 2.5G (about 0.0002g) of solid polyaluminium chloride sample, put it into a 250ml beaker (add an appropriate amount of water to the beaker first), completely dissolve it, completely transfer it into a 250ml volumetric flask, dilute it to the scale, shake it well and dry filter it (medium speed qualitative filter paper, conical flask and funnel used for filtration are dried). The filtered liquid is called test solution a.more
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The structural characteristics of polyaluminium chloride determine the characteristics of the product. The so-called polyaluminium chloride is composed of a series of inorganic polymer compounds with different degrees of polymerization, with good morphological distribution. It is a high charge polymerization ring chain shape with Keggin structure, has high degree of electric neutralization and bridging effect on colloids and particles in water, and can remove micro poisons and heavy metal ions with stable properties, The negative charge carried by the colloidal particles is neutralized instantaneously in water to destabilize the colloid, the colloidal particles coagulate rapidly, and further bridge to form flocs for rapid precipitation. The product has many characteristics:more