The uses of industrial salt include hydrogen production, hydrochloric acid, sodium hydroxide, chlorate, hypochlorite, bleaching powder, sodium metal, soap for salting out, tanning, refrigerant carrier, medical use and so on. Industrial salt is one of the most basic raw materials in chemical industry, and its main components are sodium chloride and sodium nitrite, so it is called "the mother of chemical industry". Hydrochloric acid, caustic soda, soda ash and ammonium chloride in the main products of basic chemical industry are mainly produced with industrial salt as raw materials.

Inspection rules:

Products produced by the same production process and the same resources are regarded as a batch. All indicators in the inspection results should meet the requirements of the corresponding grade of this standard, otherwise they should be downgraded; If any index does not meet the requirements of the lowest level of this standard, the spare sample of this sample shall be taken to re-determine the nonconformities; If the inspection results still do not meet the requirements of the lowest level of this standard, the batch of products is judged to be unqualified.

Industrial salt shall be inspected by the quality inspection department of the production unit or by a qualified quality inspection agency. When the product leaves the factory, a certificate of conformity shall be attached, indicating the product name, specification, production unit, production date, grade and number of this standard.

Precautions:

Industrial salt can be packed or in bulk when it leaves the factory. Packaged products shall be marked with product name, specification, trademark, grade, production unit and number of this standard. There should be a cover when transporting, and it should not be mixed with goods that can cause product pollution. Products should be stored to prevent dust and other debris pollution and rain.