The Cu-AC, prepared by impregnating the 4 M HNO3-modified AC with copper nitrate solution for a 5 wt% of Cu followed by calcination at 500°C in an N2 atmosphere, shows the highest percentage of removal (63%) compared to the modified and the heat-treated modified AC. Decolourisation ...
Hi all, it has been a while since my last post. Life has been so busy the past few months. Like most parents, I was homeschooling my daughter in the first term of this year. I was anxious about having a baby during this turbulent time and how I would continue to home school at t...
nitrateresulted in maximumenzymeproduction at initial pH 5.8±0.2 and initialmoisture contentof 70%. A carbon: nitrogen ratio of 0.5:0.1 yielded highestlaccaseactivity in the presence ofsurfactantTween 20(0.05%, w/v). Incorporation ofvanillin(5mM) andcopper sulphate(10mM) facilitated enhanced ...
Decolourization of dye solution and printing and dyeing waste water have been compared , and the electrochemical process has been studied. 对印染废水的脱色方法进行了比较,并选择了电化学方法进行了脱色实验。 www.chemyq.com 2. In addition, after 7 cycles without BAA addition, the decolourization ra...
Colour filters for matching by artificial light are constructed of two receptacles a, b, containing solutions of bi-valent metal salts, such as nitrate of nickel, sulphate of copper and sulphate of cobalt in the receptacle nearer the source of light and a solution of sulphate of copper in ...
iron, nickel, or cobalt, an aqueous solution of silver nitrate or copper sulphate, or a solution of cuprous chloride in hydrochloric acid being instanced ; and the salt images are converted after printing into dye mordant by a reagent already present in the gelatin print layer or subsequently ...
The reserve stock used in the examples contains lead nitrate, copper acetate, copper sulphate, lead sulphate and rubber solution.
·3H2O (1) Compound 1 was synthesized by the reactions of the mixing of nickel(II) nitrate, dpe, and H3btc in ethanol/water solution with molar ratios of 3:3:2 standing in the oven at 80 ◦C, resulting in the formation of light-blue crystals of 1, formulated as [Ni4(dpe)4(...