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Nickel sulfate has three kinds of anhydrate, hexahydrate and heptahydrate. The product is mainly composed of hexahydrate, and there are two variants: α-NiSO4?6H2O is a blue tetragonal crystal; β-NiSO4?6H2O is a green monoclinic crystal. The relative density is 2.07. The crystal form conversion point was 53.5 ° C, and 6 crystal waters were lost at 103 ° C. Dissolved in water, the aqueous solution is acidic. Soluble in alcohol and ammonia. poisonous!

Zinc ingot refers to pure zinc, and of course there are impurities, but as a zinc ingot, it has at least 90% purity. The use of zinc ingots: mainly used in die-casting alloys, battery industry, printing and dyeing industry, pharmaceutical industry, rubber industry, chemical industry, etc. The alloy of zinc and other metals has been widely used in electroplating, spraying and other industries.

Nickel chloride is a green or grass green monoclinic prismatic crystal at normal temperature. Weathering in dry air, deliquescence in humid air, sublimation in vacuum can quickly absorb ammonia, lose part of crystal water by heat, completely lose crystal water when it exceeds 140 °C to become yellow-brown anhydrous nickel chloride. Soluble in water, ethanol and ammonia, the aqueous solution is acidic. The chemical industry is used in the manufacture of various nickel compounds, preservatives and catalysts for chemical reactions. It is also used in the manufacture of hidden inks, in the electroplating industry for nickel plating, in analytical chemistry as analytical reagents. In addition, its anhydrate is used as an ammonia absorbent for gas masks.

Ammonium molybdate is mainly used for smelting ferromolybdenum and preparing molybdenum trioxide and metal molybdenum powder as raw materials for tungsten molybdenum alloy and molybdenum wire; secondly for use as a catalyst for chemical industry;

polymerized ferrophosphorus powder is non-toxic, odorless, odor-free, has good electrical conductivity, thermal conductivity, unique anti-rust, wear resistance, salt spray resistance, strong adhesion, etc. It can play a role with metal zinc Superposition, can also be used alone, in addition to excellent corrosion resistance, this superposition shows better advantages than using 100% metal zinc powder

Molybdenum disulfide, lead gray to black solid powder, contact with slippery, odorless, metallic luster is a good solid lubricating material. Can be used as friction modifier (antifriction agent), antiwear agent, extreme pressure agent And antioxidants; widely used in the automotive industry, machinery industry (general lubrication), mining, bearing industry, gear industry and assembly industry, etc., also used in various lubricant additives, manufacturing molybdenum compounds, catalytic hydrogenation desulfurization catalysts, Gas storage materials, photovoltaic materials, non-ferrous metal release agents, greases, solid lubricant film additives, fillers such as nylon, catalysts, etc.

Cuprous chloride, chemical formula Cu2Cl2 or CuCl. It is white cubic crystal or white powder, hardly soluble in water, soluble in concentrated hydrochloric acid to form chlororubic acid, soluble in ammonia water to form cuprous chloride cuprous chloride, insoluble in ethanol. Used as catalyst, bactericide, mordant, decolorizer; metallurgical industry; for the determination of carbon monoxide and acetylene in gas analysis.

The surface of the copper sulfate is a bright blue asymmetric triclinic crystal or powder. Soluble in water (31.6g / 100ml water at 0 ° C, 203.3g / 100ml water at 100 ° C), slightly soluble in methanol, insoluble in anhydrous ethanol.

Nickel sulfate is an inorganic substance that loses six crystal water when heated to 103 °C. Soluble in water, slightly soluble in ethanol, methanol, its aqueous solution is acidic, slightly soluble in acid, ammonia, toxic. Mainly used in the electroplating industry, it is the main nickel salt for electroplating nickel and electroless nickel, and also a source of metal nickel ions, which can dissociate nickel ions and sulfate ions during electroplating.

Cobalt sulfate, rose red crystal. After dehydration, it is a red powder, soluble in water and methanol, and slightly soluble in ethanol. Used in ceramic glazes and paint drier, also used in electroplating, alkaline batteries, production of cobalt-containing pigments and other cobalt products, as well as catalysts, analytical reagents, feed additives, tire adhesives, lithopone additives, etc.

Colorless needle crystals. Slightly soluble in cold water, ethanol, ether.

Sodium molybdate is one of the most important molybdates used in dyes, molybdenum red pigments, lightfast color precipitants, etc.; for phosphomolybdic acid, sodium molybdate, molybdate, molybdenum containing catalysts , metal corrosion inhibitors, flame retardants, etc. for pollution-free industrial cooling water systems; also used as analytical reagents for alkaloids, galvanizing, polishing agents, trace elements necessary for animals and plants

Zinc phosphate is a colorless orthorhombic crystal or a white microcrystalline powder. Soluble in inorganic acid, ammonia water, ammonium salt solution; insoluble in ethanol; almost insoluble in water, its solubility decreases with increasing temperature.

White triclinic crystal or white solidified. Dissolved in water and decomposed. Soluble in hydrochloric acid and alkali.

Cobalt acetate is a purple-red deliquescent crystal. Soluble in water, acid and ethanol.

Sodium nitrite is a white or microstrip yellow orthorhombic crystal or powder. Slightly salty. Easy to solve. Soluble in water and liquid ammonia, its aqueous solution is alkaline.

Zinc sulphate, also known as bismuth and zinc bismuth, is a colorless or white orthorhombic crystal or powder at room temperature. It has astringent properties and is easily soluble in water. The aqueous solution is acidic and slightly soluble in ethanol and glycerin.

Tin is a silvery white shiny soft metal (orthogonal and cubic) and ductile. Soluble in concentrated hydrochloric acid, sulfuric acid, aqua regia, concentrated nitric acid, hot caustic solution, slowly dissolved in cold dilute hydrochloric acid, dilute nitric acid and hot dilute sulfuric acid, cold caustic solution, dissolved slowly in acetic acid. Stable in air, but tin powder is more susceptible to oxidation, especially in humid air.

Cupric chloride, inorganic compound, chemical formula CuCl2. Crystallized from green to blue powder or rhombic double cone. Deliquescent in wet air, weathering in dry air. Loss of water at 70 to 200 °C. Soluble in water, ethanol and methanol, slightly soluble in acetone and ethyl acetate, slightly soluble in ether. Its aqueous solution is acidic to litmus. The pH of the 0.2 mol/L aqueous solution was 3.6. The relative density is 2.54. The crystal water is lost at 100 °C. Irritating. Used in industries such as pigments, wood preservatives, etc., and as disinfectants, mordants, and catalysts.