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Potassium perchlorate in crystal form. Potassium perchlorate is prepared industrially by treating an aqueous solution of sodium perchlorate with potassium chloride.This single precipitation reaction exploits the low solubility of KClO 4, which is about 1/100 as much as the solubility of NaClO 4 (209.6 g/100 mL at 25 °C).
The tables below provides information on the variation of solubility of different substances (mostly inorganic compounds) in water with temperature, at one atmosphere pressure. Units of solubility are given in grams of substance per 100 millilitres of water (g/(100 mL)), unless shown otherwise.
The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.
Although perchlorate as an environmental contaminant is usually associated with the manufacture, storage, and testing of solid rocket motors, [73] contamination of perchlorate has been focused as a side effect of the use of natural nitrate fertilizer and its release into ground water. The use of naturally contaminated nitrate fertilizer ...
Potassium nitrate/magnesium flash powder should be mixed and used immediately and not stored due to its tendency of self-ignition. If magnesium is not a very fine powder, it can be passivated with linseed oil or potassium dichromate. The passivated magnesium flash powder is stable and generally safe to store. 2 KNO 3 + 5 Mg → K 2 O + N 2 + 5 MgO
Other oxidizers can be used as well, such as sodium and calcium nitrates as well as mixtures of sodium and potassium nitrate. [7] KNO 3 can be acquired through purchasing a granular "stump remover" from stores that carry garden supplies. Other rarely used oxidizers are ammonium and potassium perchlorate.
In contact with potassium nitrate (e.g. in black powder) produces potassium perchlorate and hygroscopic ammonium nitrate; no such reaction with sodium nitrate. Reacts with potassium chlorate, producing unstable, gradually decomposing ammonium chlorate; such combination has to be avoided. [1] Nitronium perchlorate
Potassium nitrate – KNO 3; Potassium perbromate – KBrO 4; Potassium perchlorate – KClO 4; Potassium periodate – KIO 4; Potassium permanganate – KMnO 4; Potassium sodium tartrate – KNaC 4 H 4 O 6; Potassium sulfate – K 2 SO 4; Potassium sulfite – K 2 SO 3; Potassium sulfide – K 2 S; Potassium tartrate – K 2 C 4 H 4 O 6 ...