Buffer solution, pH 4.0 ± 0.02 is used to establish and maintain an ion activity within narrow range. It is most commonly used to establish hydrogen-ion activity for the calibration of pH meters, in analytical procedures. It is also used to maintain stability of various dosage forms.
Buffer Capsules pH 4- Presented as an easy-to-use, color coded capsule. Reagecon™ Buffer Solution, pH 4.00, Red is tested at 25°C using an ISO 17025 accredited method and is NIST traceable. Each preservative-free capsule dissolves quickly into 100mL water to form a highly accurate calibration and control solution.
Zinc oxide (ZnO) is a common inorganic compound with a large number of uses. It is insoluble in water but soluble in dilute acids and bases. Its melting point is extremely high—1975 ºC, where it also decomposes. ZnO exists in two common crystalline forms: wurtzite and zincblende.
Lead(II) nitrate is an inorganic compound with the chemical formula Pb(NO3)2. It commonly occurs as a colourless crystal or white powder and, unlike most other lead(II) salts, is soluble in water.
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; …
Isopropanol (IPA) Extrapure AR, 99.5% is a high-purity solvent widely used in laboratories and industries for cleaning, degreasing, and as a chemical intermediate in various processes.
Diphenylamine is used for control of superficial scald in stored apples Diphenylamine is the organic compound with the formula (C6H5)2NH.
It is a colourless solid, but samples are often yellow due to oxidized impurities. It is a weak base, with a KB of 10 14. With strong acids, it forms the water soluble salt.
Chloroform Extrapure AR is a high-quality solvent widely used in various analytical and research applications. Its high purity makes it ideal for extractions, synthesis, and as a reagent in laboratories. Pack Size: 2.5L
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