标题: 请教一下，USP中水浴加热水浴温度应该为多少？ [打印本页] 作者: meimei7071 时间: 2015-3-6 12:06 PM 标题: 请教一下，USP中水浴加热水浴温度应该为多少？ Pipet 10 mL of the substrate solution, stand at 37±0.5０ for 10 minutes, add exactly 1 mL of the sample solu-tion, and shake immediately. Allow this solution to stand at37±0.5 C for exactly 10 minutes, add exactly 2 mL of alkaline tartrate solution of the Fehling's TS for amylolytic activity test, and shake immediately. Then, add exactly 2 mL of copper solution of the Fehling's TS for amylolytic activity- H- h+ |# p" ]
test, shake gently, heat the solution in a water bath for ex-actly 15 minutes, and then immediately cool to below 25 C.Then, add exactly 2 mL of concentrated potassium iodide TS and2mLofdilutedsulfuricacid(1in6), andtitrat the released iodine with 0.05 mol/L sodium thiosulfate VS to the disappearance of the blue color produced by addition of 1 to 2 drops of soluble starch TS (amL). Separately, pipet 10 mL of water instead of the substrate solution and titrate <2.50>inthesamemanner(bmL). : c/ U! d( i, S7 K( y4 N* n5 S- V/ v2 z( r/ j: [# E
，Ch.p是98-100度