Nickel carbonate

Nickel carbonate, an inorganic compound with the chemical formula of NiCO3, is mainly used as a catalyst and can also be used for electroplating. Nickel carbonate is a mixture of one or several inorganic compounds containing nickel and carbonate. Nickel carbonate, rhombic light green crystal, decomposes at above 300 ℃, is soluble in ammonia water and dilute acid, insoluble in water, and is prepared by reaction of alkali metal carbonate and nickel sulfate. It is used for electroplating, ceramic coloring and glaze medicine.

Nickel formate

Nickel formate, also known as nickel formic acid, is a green monoclinic crystal or crystalline powder with a relative density of 2.154. When it is carefully heated to 130~140 ℃, it becomes anhydrous salt. It is decomposed into nickel, carbon monoxide, carbon dioxide, hydrogen, water and methane at 180~200 ℃. Soluble in water. It is prepared by the reaction of nickel sulfate solution with sodium formate or nickel hydroxide dissolved in formic acid. Used for manufacturing nickel and nickel catalyst, etc.

Strontium bromide

Strontium bromide is an inorganic compound with the chemical formula of SrBr ₂. There are anhydrous and hexahydrate. Anhydrous matter is white hexagonal acicular crystal. Density 4.216g/cm ³。 The melting point is 643 ℃. Soluble in water, ethanol and amyl alcohol. Hexahydrate is colorless hexagonal crystal or white crystalline powder. Soluble in water, methanol and ethanol. Slightly soluble in acetone. Insoluble in ether. It has deliquescence. When heated to 180 ℃, it loses crystalline water and becomes anhydrous. Toxic.

Manganese acetate

Manganese acetate is mainly used as a catalyst for the production of polyester chips and PTA. It can also be used in different reactions, such as the synthesis and polymerization of vinyl ester, leather tanning and dishwashing, drying agent for paints and coatings, printing and dyeing mordant, feed additives, etc. This product is a catalyst for high-temperature oxidation of xylene, the raw material of polyester resin. It can also be used as dyeing mordant, drying agent for paint and varnish, and catalyst for oxidation process.

High-purity manganese chloride

Manganese chloride, also known as manganese chloride and manganese dichloride, is an inorganic substance with the molecular formula of MnCl2. The appearance of hydrated manganese chloride is rose monoclinic crystal; The appearance of anhydrous manganese chloride is peach crystal.

Lead chromate

Lead chromate, also known as chrome yellow, is an inorganic compound with the chemical formula of PbCrO4. It is a yellow or orange crystalline powder. It is an important yellow pigment and is often used as a colorant for rubber, ink, watercolor, oil paint, colored paper, etc. Store in a cool and ventilated warehouse. Keep away from kindling and heat sources. It shall be stored separately from combustible (combustible) materials and shall not be stored together. The storage area shall be equipped with appropriate materials to contain the leakage.

Optical glass strontium fluoride

Strontium fluoride is an inorganic compound with the chemical formula of SrF2 and molecular weight of 125.617. White colorless cubic crystalline powder, slightly soluble in water, soluble in hydrochloric acid, insoluble in hydrofluoric acid, ethanol and acetone. It belongs to cubic crystal system, stable in air and can be decomposed by strong acid. Density 4.24g/cm3, melting point 1473 ℃, boiling point 2489 ℃. It is converted into strontium oxide in air (>1000 ℃).

Barium hydroxide

Barium hydroxide is an inorganic compound with chemical formula of Ba (OH) 2. It is a white crystalline powder, soluble in water, ethanol and dilute acid. It is mainly used for making special soap and pesticides, and also for softening hard water, refining beet sugar, boiler descaling, glass lubrication, etc. Solubility: soluble in hot water, less soluble in cold water, slightly soluble in ethanol, and soluble in dilute acid.

Reagent silver nitrate

Silver nitrate is an inorganic compound with the chemical formula of AgNO3. It is a white crystalline powder, easily soluble in water, ammonia, glycerin, and slightly soluble in ethanol. Pure silver nitrate is stable to light, but its aqueous solution and solid are often stored in brown reagent bottles due to the insufficient purity of general products. It is used for photographic emulsion, silver plating, mirror making, printing, medicine, hair dyeing, inspection of chloride ion, bromine ion and iodine ion, and also for electronic industry.

High-purity potassium iodide

Potassium iodide is an inorganic compound with chemical formula KI. It is colorless or white crystal, odorless and has a strong bitter taste. It is colorless or white crystalline powder, with density of 3.13g/cm3, melting point of 618 ℃, boiling point of 1345 ℃, and is easily soluble in water and ethanol. The water solution darkens when it sees the light and dissociates iodine. Potassium iodide shall be stored in a cool, dry and ventilated warehouse, and shall not be stacked in the open air or in the cargo shed. Avoid direct sunlight and moisture to prevent deterioration of goods.