In case of fire, water spray must be used with caution since direct contact of KCN with water or steam will cause decomposition, liberating highly toxic HCN gas as well as generating a highly hazardous solution of dissolved cyanide which must be kept out of sewers and watercourses. KCN also ...
Word History First Known Use 1871, in the meaning defined above Time Traveler The first known use of potassium dichromate was in 1871 See more words from the same year Dictionary Entries Near potassium dichromate potassium cyanide potassium dichromate potassium ferricyanide See More Nearby ...
solubility in water (g/100ml)dissolution grams per 100ml of water at different temperatures (℃): 30.2g/0 ℃;38g/10 ℃;46g/20 ℃;53g/30 ℃;59.3g/40 ℃ 70g/60 ℃;91g/100 ℃ toxicitythis product is non-toxic. But scorching decomposition or acid produces highly toxic cyanide, see ...
Potassium is weakly hazardous in water, but it does spread pretty rapidly, because of its relatively high mobility and low transformation potential. Potassium toxicity is usually caused by other components in a compound, for example cyanide in potassium cyanide. TheLD50value for rats is 5 mg/kg....
Outline Solubility in water (g / 100ml) Reference quality standards Chemical properties Uses Production method Product Name: Potassium thiocyanate Synonyms: Arterocyn;Aterocyn;Kyonate;Potassium thiocyanide;potassiumthiocyanide;Rhocya;Rhodanide;Rodanca CAS: 333-20-0 MF: CKNS MW: 97.18 EINECS: 206...
Potassium nitrate KNO3 or saltpeter is obtained from natural sources such as guano and evaporites or manufactured by the Haber process and is the oxidant in gunpowder (black powder) and an important agricultural fertilizer. Potassium cyanide KCN is used industrially to dissolve copper and precious met...
Chemical Properties Potassium bisulfate, also known as potassium hydrogen sulfate and potassium acid sulfate, KHS04 is water soluble, white deliquescent crystals,which melt at 214°C. Potassium bisulfate dissolved in water undergoes ionization to form K+, H+, SO42-. It is used in wine making,...
13.Eeffects of assisted gold leaching reagents, potassium permanganate and hydrogen peroxide, on the gold cyanide leaching performace are studied. 对辅助浸金剂高锰酸钾和过氧化氢的加入次序对金氰化浸出行为的影响进行了探讨。 14.In surface water treatment,applying potassium permanganate to pre-oxidation ...
Potassium is used extensively, mainly in the form ofpotassium salts, in various fields such as medicine (iodide as a disinfectant),photographic processing(carbonate), explosives (chlorate and nitrate as powder), defreezing agents, poisons (potassium cyanide),metallurgy, basicchemistry(hydroxide in, e...
Solubility in water (g/100ml) Dissolved grams per 100 ml of water at different temperatures (°C): 60 g/10 °C; 63.7 g/20 °C; 66.7 g/30 °C; 67.8 g/40 °C 70.1 g/60 °C; 74.5 g/90 °C Toxicity See sodium chromate Chemical properties Lemon yellow orthorhombic crystal; Soluble...