丙酮做溶剂, NaOH作碱, 机理见图(取代基等都省略了, 仅仅表示反应点):
4; (Kavalier, Czechoslovakia), the residue was washed twice using 24 ml of acetone (−20°C), dried under vacuum at 30°C and then over NaOH for 3 days at 4°C. The obtained “acetone powder” was ~ 60-70 mg dry weight. It was homogenized in a glass/glass homogenizer in 25 ...
1、酸:氢氟酸(HF)、盐酸(HCL)、硫酸(H2SO4)、磷酸(H3PO4)、硝酸(HNO3)、醋酸(CH3COOH)、缓冲氧化刻蚀BOE(49%HF水溶液:40%NH4F水溶液=1:6(体积比)的成分混合而成)。2、碱:氢氧化钾(KOH)、氢氧化钠(NAOH)、氢氧化铵(NH4OH)、氢氧化四甲基铵(TMAH)等。3、溶剂:超纯水、丙酮(acetone)、异丙醇(IPA)...
Organic impurities have been removed from acetone by adding 4g of AgNO3 in 30mL of water to 1L of acetone, followed by 10mL of M NaOH, shaking for 10minutes, filtering, drying with anhydrous CaSO4 and distilling [Werner Analyst (London) 58 335 1933]. Alternatively, successive small portions ...
View Solution When Zn is treated with excess of NaOH, the product obtained is View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium NCERT Solutions for Class 10 English Medium ...
CH(3)CHO+HCHOoverset("dil. NaOH")underset("Heat")rarrAoverset("HCN)und... 02:32 The increasing order of the rate of HCN addition of compound a-d is ... 03:55 In a reaction of C(6)H(5)Y the major product (gt60%) is m-isomer, so t... 02:28 Identify Z in the following...
(ClO4)2 should not be used as drying agent because of the risk of EXPLOSION with acetone vapour. Organic impurities have been removed from acetone by adding 4g of AgNO3 in 30mL of water to 1L of acetone, followed by 10mL of M NaOH, shaking for 10minutes, filtering, drying with ...
用氧化镁或氧化钙负载氢氧化钠(NaOH)固体碱作缩合催化剂,钯/炭(Pd/C)作为加氢催化剂,由丁醛和丙酮经交叉酮醛缩合、脱水、催化加氢制得2-庚酮。 2. 2-heptanone was synthesized by n-butyl aldehyde andpropanonevia cross aldol condensation, dehydration, catalyzed hydrogenation. ...
Sodium hydroxide solution c(NaOH) = 0.33 mol/l (1/ 1 L 天 会员价请登录 0 RH150660 1.11114.0001 默克密理博/Millipore Chlorine Test Reagent Cl2-2 MColortestTM 2000 TESTS 天 会员价请登录 0 RH150661 1.00668.1000 默克密理博/Millipore
Sodium hydroxide solution c(NaOH) = 0.33 mol/l (1/ 1 L 天 会员价请登录 0 RH150660 1.11114.0001 默克密理博/Millipore Chlorine Test Reagent Cl2-2 MColortestTM 2000 TESTS 天 会员价请登录 0 RH150661 1.00668.1000 默克密理博/Millipore