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Potassium permanganate is an oxidizing agent. [5] The British National Formulary recommends that each 100 mg be dissolved in a liter of water before use. [3] Potassium permanganate was first made in the 1600s and came into common medical use at least as early as the 1800s. [6] It is on the World Health Organization's List of Essential Medicines ...
Potassium methoxide is a white to yellowish, hygroscopic, odorless crystalline powder which reacts violently with water forming potassium hydroxide and methanol. The aqueous solutions obtained are highly basic and have a corrosive effect. The substance is classified as an inflammable solid with a spontaneous ignition temperature of 70 °C. [6]
The Zelinsky-Kummant gas mask was the world's first gas mask [1] which had the ability to absorb a wide range of chemical warfare agents. The gas mask was developed in 1915 by Russian chemist Nikolay Zelinsky and technologist of the Triangle plant M.I. Kummant. [2]
Potassium: 0.862: 20900 (5.789 × 10 20 kg) 12.1 – 13.6: 10.5 – 11.7: 2020: SMM [32] [d] Min 98.5% pure industrial grade potassium. 20: Ca: Calcium: 1.54: 41500 (1.15 × 10 21 kg) 2.21 – 2.35: 3.41 – 3.63: 2020: SMM [33] [d] Blocks of 98.5% pure calcium obtained by reduction process. 21: Sc: Scandium: 2.989: 22 (6.094 × 10 17 kg) 3460: ...
Hanks' salts is a collective group of salts rich in bicarbonate ions, formulated in 1940 by the microbiologist John H. Hanks. [1] Typically, they are used as a buffer system in cell culture media and aid in maintaining the optimum physiological pH (roughly 7.0–7.4) for cellular growth.
Potassium benzoate (E212), the potassium salt of benzoic acid, is a food preservative that inhibits the growth of mold, yeast and some bacteria. It works best in low- pH products, below 4.5, where it exists as benzoic acid.
Auramine phenol stain is a stain used in clinical microbiology and histology to identify tuberculosis mycobacteria.. There are two types of auramine phenol stains, 1 and 2 to stain mycobacterium species and cryptosporidium respectively.
It is stored as aqueous solutions (formalin), which consists mainly of the hydrate CH 2 (OH) 2. It is the simplest of the aldehydes ( R−CHO ). As a precursor to many other materials and chemical compounds, in 2006 the global production of formaldehyde was estimated at 12 million tons per year. [ 14 ]
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