硝酸钠为中性，易受热分解，具有助燃和氧化作用。因此，它有着广泛的应用，同时作用也比较多。那么其作用主要表现在哪些方面呢？下面从八个方面来讲讲。
Sodium nitrate is neutral, easy to be decomposed by heat, and has the functions of combustion supporting and oxidation. Therefore, it has a wide range of applications, but also more functions. So what are the main aspects of its role? Here are eight aspects.
作用1：可用作助溶剂、氧化剂和制备搪瓷粉的原料。
Function 1: it can be used as cosolvent, oxidant and raw material for preparing enamel powder.
作用2：玻璃工业用作各种玻璃及其产品的脱色剂、消泡剂、澄清剂和氧化剂。
Function 2: used in the glass industry as decolorizer, defoamer, clarifier and oxidizer for various glasses and their products.
作用3：在机械工业中熔融烧碱和制造其他硝酸盐无脱色剂。
Function 3: melting caustic soda and manufacturing other nitrates in the mechanical industry without decolorizer.
作用4：食品工业在肉类加工过程中使用它作为显色剂，可以防止肉类腐烂，并起到调味作用。
Function 4: the food industry uses it as a chromogenic agent in the meat processing process, which can prevent meat from rotting and play a role in flavoring.
功能5：适用于酸性土壤中的肥料，尤其适用于甜菜、萝卜等根茎作物。染色：用于苦味酸和染料的工业化生产。
Function 5: suitable for fertilizer in acid soil, especially for root crops such as beet and radish. Dyeing: used for industrial production of picric acid and dyes.

功能6：在机械城工业中用作金属清洁剂，也用作黑色金属的发蓝剂。青霉素在制药工业中的应用。卷烟工业被用作烟草的助燃剂。在分析化学中用作化学试剂。
Function 6: used as a metal cleaner in the machinery city industry, and also as a bluing agent for ferrous metals. Application of penicillin in pharmaceutical industry. The cigarette industry is used as a combustion supporting agent for tobacco. Used as a chemical reagent in analytical chemistry.
功能7：氢氧化钾厂家认为硫酸钠也可用于镁合金涂层的低铬酸钝化和氧化溶液。
Function 7: sodium sulfate can also be used for low chromic acid passivation and oxidation solution of magnesium alloy coating.
功能8：在许多工业领域，硝酸钠可以发挥一定的作用。因此，随着其使用越来越广泛，企业除了掌握正确的使用方法外，还应注意将其存放在阴凉通风的地方，因为它可以支持燃烧。
Function 8: sodium nitrate can play a certain role in many industrial fields. Therefore, as it is used more and more widely, in addition to mastering the correct use methods, enterprises should also pay attention to storing it in a cool and ventilated place, because it can support combustion.
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