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Indigo dye is a dark blue crystalline powder that sublimes at 390–392 °C (734–738 °F). It is insoluble in water, alcohol, or ether, but soluble in DMSO, chloroform, nitrobenzene, and concentrated sulfuric acid. The chemical formula of indigo is C 16 H 10 N 2 O 2.
The route using zinc powder is a two-step process: 2 SO 2 + Zn → ZnS 2 O 4 ZnS 2 O 4 + 2 NaOH → Na 2 S 2 O 4 + Zn(OH) 2. The sodium borohydride method obeys the following stoichiometry: NaBH 4 + 8 NaOH + 8 SO 2 → 4 Na 2 S 2 O 4 + NaBO 2 + 6 H 2 O. Each equivalent of H − reduces two equivalents of sulfur dioxide. Formate has also been ...
In contemporary hairstyling, texture powder is widely used to create volume and body in both men's and women's hairstyles.Unlike the heavier powders of the past, modern formulations are much lighter and are designed to be virtually invisible in the hair. [5]
True indigo is a shrub 1–2 metres (3 ft 3 in – 6 ft 7 in) high. It may be an annual, biennial, or perennial, depending on the climate in which it is grown. It has light green pinnate leaves and sheafs of pink or violet flowers. The rotenoids deguelin, dehydrodeguelin, rotenol, rotenone, tephrosin and sumatrol can be found in I. tinctoria. [3]
Type of hair loss products: Hair growth products for men are available in many different forms, such as serums, hair-thickening shampoos and conditioners, oils, foams, prescription medications ...
This page was last edited on 3 January 2021, at 03:31 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
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