How does the pH scale works? What is the difference between acid and base? Why is it useful to know, and use, the lowest effective concentration of an antimicrobial chemical? From a chemical and biological standpoint, explain why processed food is not good for your health. ...
Which of the following is NOT an acid conjugate base pair? A. NH4+/NH3 B. H3O+/OH- C. H2SO3/HSO3- D. C2H3O2-/HC2H3O2 E. All of the above are conjugate acid-base pairs. What is the conjugate base of carbonic acid, H2CO3...
The chemical formulas of the PP and HX base moieties are C17H20N4O2 and C20H26N4O2, yielding molecular weights of 312 g/mol and 354 g/mol, respectively. Diamidines are formulated as a salt of PP or HX and 2 molecules of isethionic acid. Diamidine eye drops are commercially available ...
Rutaevin纯度: 97.5%CAS No.: 33237-37-5中文名: 吴茱萸苦素别名: Rutaevine分子式: C26H30O9性状: Powder关键词: 抗菌;杀虫;吴茱萸;金盏花;四降三萜;中药对照品;中药标准品;植物提取物;天然产物;天然产物库 Myrianthic acid 3,23-acetonide纯度: 98.0%CAS No.: 578710-52-8中文名: 别名: 分子式: C33...
(0.1% formic acid) to 100% eluent B (0.06% formic acid in acetonitrile) in 15 min. About 2.5 μl of the sample was injected into the column with an optimal flow rate of 400 µl/min. A diode array detector (UV/Vis DAD) was attached to the column, and the wavelengths of 230, ...
Baking powder is a solid mixture that is used as a chemical leavening agent in baked goods. It can be composed of a number of materials, but usually contains baking soda (sodium bicarbonate, NaHCO3), cream of tartar (potassium bitartrate, C4H5KO6), and cornstarch. (A base, an acid, ...
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Cellulosome-bound PASC was resuspended in a reaction buffer containing 25 mM aminetetraacetic acid (EDTA), and sodium acetate 2 mM DTT and pH 5.5, 10 mM dialyzed against CthaeCrle2a, c1t0io mnMbuLff-ecryastt5ei5n °eC, 2 mM ethylenedi- in a cellulose ester membrane (...
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KOBr is the sale of the strong base, KOH, and the weak acid Hon. The pll of a KOBE solution should be a) acidis, the exact pit would come from a Ka expression b) neutral; the pll must be 7.0. c) basic, the exact pH would ...