硝酸钠溶液呈中性，受热易分解，具助燃氧化作用。因此，它有着比较广的应用和更多的功能。它的主要功能是什么？
Sodium nitrate solution is neutral, easy to decompose when heated, and has the function of combustion supporting and oxidation. Therefore, it has a wide range of applications and more functions. What is its main function?
搪瓷工业作为熔剂、氧化剂和制备搪瓷粉的原料。玻璃工业用作多种玻璃及制品的脱色剂、消泡剂、澄清剂和氧化剂。无机工业用作熔融烧碱脱色剂和制造其他硝酸盐。食品工业作为肉类加工的着色剂，可以防止肉类变质，起到调味的作用。化肥工业是酸性土壤的速度肥料，还有甜菜、萝卜等块根作物。作为工业生产苦味酸染料的原料。
Enamel industry is used as flux, oxidant and raw material for preparing enamel powder. Glass industry is used as decolorizer, defoamer, clarifier and oxidant for a variety of glass and products. Inorganic industry is used as decolorizing agent for molten caustic soda and manufacturing other nitrates. As a colorant in meat processing, food industry can prevent meat deterioration and play a role in seasoning. Chemical fertilizer industry is the speed fertilizer for acid soil, as well as root crops such as beet and radish. As a raw material for industrial production of picric acid dyes.

积成工业是金属清洗剂和黑色金属发蓝剂。制药工业被用作青霉素的培养基。烟草工业被用作烟草的助燃剂。在分析化学中用作化学试剂。
Jicheng industry is metal cleaning agent and ferrous metal bluing agent. The pharmaceutical industry is used as a medium for penicillin. The tobacco industry is used as a combustion promoter for tobacco. Used as a chemical reagent in analytical chemistry.
化学纯硝酸钠还可用于镀锌层的低铬酸盐钝化和镁合金的氧化液。
Chemically pure sodium nitrate can also be used for low chromate passivation of zinc coating and oxidation solution of magnesium alloy.
它可以在许多工业中发挥作用。因此，它的应用越来越广。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，因为它具助燃性能。
It can play a role in many industries. Therefore, it is more and more widely used. In addition to mastering the correct use method, enterprises should also pay attention to storing it in a cool and ventilated place because it has combustion supporting performance.
它易溶于水，生产工艺简单，原料不难获得，用途广。在工业上，它通常是通过某些化合物的反应来制备的
It is easily soluble in water, has simple production process, is not difficult to obtain raw materials and has a wide range of uses. In industry, it is usually prepared by the reaction of some compounds
1.酸与金属氧化物反应：稀硝酸与氧化钠反应：也可制备。
1. Reaction between acid and metal oxide: reaction between dilute nitric acid and sodium oxide: it can also be prepared.
2.酸碱反应：氢氧化钠溶液与稀硝酸反应生成它和水。
2. Acid base reaction: sodium hydroxide solution reacts with dilute nitric acid to form it and water.
3.盐和酸的反应：碳酸钠和稀硝酸的反应：形成它、水和二氧化碳。
3. Reaction between salt and acid: reaction between sodium carbonate and dilute nitric acid: form it, water and carbon dioxide.
4.盐和盐的反应：氯化钠和硝酸银的反应：它和氯化银沉淀的形成。
4. Reaction between salt and salt: reaction between sodium chloride and silver nitrate: formation of precipitation between it and silver chloride.
与其他生产工艺相比，某些化合物反应制备硝酸钠的方法简单，成本低，在生产过程中不会产生一些有害物质，相对安全。
Compared with other production processes, the method of preparing sodium nitrate by reaction of some compounds is simple, low cost, and will not produce some harmful substances in the production process, which is relatively safe.