Potassium Hydrogen Phthalate Extrapure AR, 99.9% is slightly acidic, and it is often used as a primary standard for acid–base titrations because it is solid and air-stable, making it easy to weigh accurately.
Potassium Hydrogen Phthalate Extrapure AR-is slightly acidic, and it is often used as a primary standard for acid–base titrations because it is solid and air-stable, making it easy to weigh accurately.
Hydrazine Sulphate Extrapure AR, 99.5% is a white, water-soluble salt composed of cation hydrazinium and anion bisulfate which is solid at room temperature. Hydrazine sulfate has a number of laboratory, industrial and medical uses
Diethyl Ether, with a purity of 99.5%, is a high-quality solvent used in various laboratory and industrial applications. Known for its ability to dissolve a wide range of organic compounds, it is essential for extractions and synthesis. Pack Size: 2.5L
Xylene Extrapure AR, 99.8%, is a high-purity aromatic hydrocarbon solvent widely used in laboratories for analytical and research purposes. With a purity of 99.8%, it meets the standards for Analytical Reagent (AR) grade, making it ideal for precise scientific applications. It is commonly used as a solvent in chemical reactions, sample preparation, and chromatography.
The invention relates to a method for producing calcium chloride dihydrate, which is characterized by comprising the following steps: putting hydrochloric acid (31%) and limestone powder into a reaction vat according to the mixture ratio of 2.2:1, and stirring for reaction to generate an acid calcium chloride solution; …
Sodium Sulphite (Anhydrous) Extra pure product is non-reactive under normal conditions of use, storage and transport. Stable under normal conditions. No dangerous reactions known under normal conditions of use.
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