000 solution. Potassium permanganate tablets can also be used. If using 400 mg tablets,add one to each 4 L of water. The tablets should be dissolved in hot water before pouring into the bath.
Colour Reaction of a New Reagent PIF With Iron (III) and Its Analytical Application Jin Pan,Yuming Huang,Weiqun Shu,Jia Cao.Effect of pH on the characteristics of potassium permanganate-luminol CL reaction in the presence of trace aluminum(III) and its analytical application.Talanta. 2007Effect ...
After black and white development and fixing the silver image may be bleached in a solution of potassium permanganate and hydrochloric acid, treated with sodium bisulphite and potassium bromide to convert silver chloride to silver bromide and then in a solution containing potassium bromide, sodium ...
Oxidation-reduction system of potassium permanganate and citric acid as initiator,grafted the flax with acrylamide monomers and dyed it in one-bath process with reactivedying. 以高锰酸钾和柠檬酸氧化还原体系作为引发剂,用丙烯酰胺单体对亚麻纤维进行接枝改性,并且同浴加入活性染料对亚麻纤维进行染色处理,主要...
The optimal dosages of MnO4- and alum for decoloration of a 17 wt% raw sugar solution (70 degrees C) was found to be 4 mM and 2 g/l, respectively. Removal of colour and Mn removal were further improved at ambient temperature. Sucrose, the major component of raw sugar, was not ...
The invention relates to a process for erasing or lightening the coloration of dyed hair, consisting in applying to the dyed hair, in a first stage, an acid solution of potassium permanganate and, in a second stage, a solution of a reducing agent chosen from sodium bisulphite, sodium ...
After black and white development and fixing the silver image may be bleached in a solution of potassium permanganate and hydrochloric acid, treated with sodium bisulphite and potassium bromide to convert silver chloride to silver bromide and then in a solution containing potassium bromide, sodium ...
The technique comprises: oxidizing aluminum or aluminum alloy in an aqueous solution of sodium silicate 2-10 g/L, sodium hydroxide 0.5-3 g/L, sodium molybdate 0.2-4 g/L, sodium silicofluoride 0.1-9 g/L, sodium tungstate 0.2-10 g/L, and potassium permanganate 0.5-4 g/L at 10-50 deg...
Three alternative solutions can be employed, (a) a 1 per cent solution of potassium permanganate in distilled water, (b) a bath containing free bromine or chlorine, and (c) a bath containing potassium permanganate and hydrochloric acid. A photographic material comprising three superposed silver ...
After drying, the twolayer side of the film is varnished, and the red dyestuff image is removed on the other side with acidified potassium permanganate solution. The film is washed, and. the bleached image dye-toned yellow with acridine-yellow or thioflavin T. A bipack element may comprise ...