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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] HCr 2 O − 7 ⇌ Cr 2 O 2− 7 + H +, pK a = 1.18. The pK a value for this reaction shows that it can be ignored at pH > 4.
Peppermint shampoo. Part of a major re-brand that included razor blades and barber products. Re-Released as a shaving gel. 2004 2008 Constrict or Clean & Control [30] Shampoo that de-poofs your hair. Part of the Axe hair crisis relief products. Present 2008 Dual or 2 in 1 [30] Shampoo and conditioner. Part of the Axe hair crisis relief products ...
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The maximum allowable concentration varies between 0.01 and 0.1 mg·m −3 in air depending on the country. Because it contains hexavalent chromium, it is a suspected carcinogen, and as a strong oxidant, pyridinium dichromate promotes fires, releasing carbon monoxide, carbon dioxide and toxic metal smoke. The fire can be extinguished by water ...
The chromic acid is usually made by acidifying (with sulfuric acid) a solution of potassium dichromate. The old name for potassium dichromate is potassium bichromate and the cell is often called a bichromate cell. [1] This type of cell is now only of historical interest.
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 ...
Psssssst Instant Spray Shampoo is a no-water substitute for traditional shampoo, popular in the 1970s; its popularity was widespread enough that it is considered a pop culture icon. Psssssst was produced by Woodridge Labs; its history may date to the 1950s. [citation needed] The company recently began making Psssssst again.
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.
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