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( q( o3 ~3 [& w- X; `/ k) Q: V
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). 7 L4 t# Z' C! n' I' } Z % g( n# h7 _$ C( d& b* @- [) E + q- [9 Q7 E+ Z/ y请教一下,文中heat the solution in a water bath for eactly 15 minutes, 水浴加热中水浴的温度应该为多少呢?* h: a/ {* S/ M% L3 D
实在搞不明白,麻烦大侠们告诉一下喽! ) e S2 R' C3 x' d9 O$ e( D/ Y作者: ZGZG 时间: 2015-3-6 03:37 PM ,Ch.p是98-100度作者: 黑龙 时间: 2015-3-6 04:38 PM
应该是100吧作者: meimei7071 时间: 2015-3-9 12:05 PM
谢谢各位了