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The hydrogen chromate ion may be protonated, with the formation of molecular chromic acid, H 2 CrO 4, but the pK a for the equilibrium H 2 CrO 4 ⇌ HCrO − 4 + H + is not well characterized. Reported values vary between about −0.8 and 1.6. [4] The dichromate ion is a somewhat weaker base than the chromate ion: [5]
4, 10-15% potassium ferricyanide K 3 Fe(CN), 5-10% potassium hexafluorozirconate K 2 ZrF 6, and 5-10% sodium fluoride NaF by weight. The formula was meant to be dissolved in water at the concentration of 9.0 g/L, giving a bath with pH = 1.5. It yielded a light gold color after 1 min, and a golden-brown film after 3 min.
Chattem announced that on November 1, 2005, they would introduce a new line of shampoos under the brand name Selsun Salon. These contained a different active ingredient than Selsun Blue, pyrithione zinc 1%, and are oriented toward the higher-end shampoo market. Other active ingredients such as salicylic acid and botanicals are in other versions ...
Furthermore, the dichromate can be protonated: [HCr 2 O 7] − ⇌ [Cr 2 O 7] 2− + H +, pK a = 1.8 [6] Loss of the second proton occurs in the pH range 4–8, making the ion [HCrO 4] − a weak acid. [citation needed] Molecular chromic acid could in principle be made by adding chromium trioxide to water (cf. manufacture of sulfuric acid). CrO ...
Vosene shampoo is available in four varieties: Original Medicated, Frequent Anti-Dandruff, 2 in 1 Gentle Action and Activating Shampoo. The Original formula contains salicylic acid, an anti-dandruff ingredient. However, this was not the active ingredient prior to the late 1980s.
Strontium chromate is approximately 30 times more soluble in water at 100 °C than at room temperature. Therefore, the yellow strontium chromate can be suspended in a hot solution of a soluble sulfate to digest until fully converted to the much less soluble and white strontium sulfate, leaving the chromate or dichromate in solution.
Potassium chlorochromate is an inorganic compound with the formula KCrO 3 Cl. [4] It is the potassium salt of chlorochromate, [CrO 3 Cl] −. It is a water-soluble orange compound is used occasionally for oxidation of organic compounds. It is sometimes called Péligot's salt, in recognition of its discoverer Eugène-Melchior Péligot.
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