Only one drop of the pottasium iodide reagent 100 for total-residual-chlorine measurement is dropped into the cell (f) from a reagent bottle G1. In two minutes after the finish of this operation, the measuring switch (e) in the total residual chlorine measuring apparatus 500 is pressed, ...
题目 16 What happens when chlorine is bubbled through aqueous potassium iodide?C A Chlorine is oxidised to chlorate(V) ions. B Chlorine is oxidised to chloride ions. C lodide ions are oxidised to iodine. D There is no observable reaction. 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
Another major use is in making photographic emulsions. In analytical chemistry, potassium iodide is used in iodometric titration with starch indicator to analyze dissolved oxygen, dissolved chlorine, sulfide, and other analytes in water. Uses
Potassium chloride is a salt commonly used in the preparation of phosphate buffered saline and for the extraction and solubilization of proteins. It is a good potassium source. Also used in the hypotonic KCl-propidium iodide protocol for univariate analysis of metaphase chromosomes ; dissociation of ...
Violent reaction or ignition on contact with dazonium salts, diisopropyl peroxydicarbonate, bromine pentafluoride, chlorine trifluoride. Incompatible with oxidants, BrF3, FClO, metaltic salts, calomel. When heated to decomposition it emits very toxic fumes of K2O and I-. See also IODIDES. ...
the baking industry of oxidative enzymes obtained primarily from fungal sources to enhance or supplement the action of ascorbic acid. Ascorbic acid is quantified by measuring the decolorization of 2,6-dichlorophenolindophenol while bromate and ADA are measured by reaction with potassium iodide at low ...
Its anode Br- 6OH-→ BrO3- 3H2O 6e cathode 6H 6e → 3H2 ↑kbr 3H2O → KBrO3 3H2) chlorine oxidation method milk of lime and bromine reaction after passing chlorine gas for chlorine oxidation reaction, the reaction was terminated to a pH of 6 to 7. After removal of the residue, ...
Potassium chloride (KCl) is a water-soluble metal salt that comprises of potassium and chlorine. It can be extracted from minerals and salt water. KCl can be used in industries such as cosmetics, food, biomedical, chemical and fertilizer. ...
Note if the addition of the HCl solution is made too quickly there can be a strong smell of chlorine (Cl2). Therefore the additions are slow to minimize this Cl2 evolution and maximize the oxidation of iodide to KICl2. Larsen also described the preparation of this reagent by the addition ...
Sb(III)Triphenylarsonium iodide Sr2+Intense red DPA, diphenylamine. If desired, the approach above may be adapted to semiquantitative analysis of black powder, Pyrodex, or flash powders. A weighed sample, 0.25g or more, on a tared filter paper is treated several times with a few milliliter...