... provided by the Ehrenfest model for heat exchange, with S = { d, — d + 1, • • • , 0, 1, 2, • • • , d} , with p^ = 1 - 4jt» anc j ^ = £h» for — d < i < d, ... Technion, Haifa, Israel Bo Zhang People's University of China, Beijing, China Q. Zhang University of Georgia, Athens, Georgia xvu HANDBOOK OF...
Ngày tải lên: 08/04/2014, 12:24
Ngày tải lên: 31/03/2014, 15:23
Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 17)
... glass vial with a Te on-septum screw cap, which has been cooled with ice, and vortex-mixed for 5 s; a 3- L aliquot of the organic layer is injected into GC. At least 5 vials with di erent volume ... cooled with ice, capped airtightly and stored in a refrigerator. ii. A 0.4-mL volume of the blood specimen is rapidly mixed with 0.4 mL of the IS-containing pentane solutio...
Ngày tải lên: 18/10/2013, 00:15
Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 67)
... observed at m/z 175. n) In EI mass spectra for t-BDMS derivatives, intense peaks due to [M–57] + are usually ob- served. However, in the case of the t-BDMS derivative of EMPA, a fragment ion, having ... curve is constructed with a similar proce- dure to that described in the above commentary f . However, ions at m/z 153 and 168 for t-BDMS derivative of EMPA and diphenylmethane (IS...
Ngày tải lên: 18/10/2013, 00:15
Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 20)
... solution. IR, γ CHCl 3 1,7 10 cm –1 ; NMR (CDCl 3 ) δ: 1.1 0, 1.38 (s, 3H × 2, gem-CH 3 ), 1.70 (s, 3H, C 9 -CH 3 ), 3.22 (dd, 1H C 10a -H ), 5.42 (m, 1H, C 8 -H ), 6.0 7, 6.24 (s, 1H × 2, aromatic-H); ... was made ⊡ Table 2.1 Diagnostic ions in mass spectra of 9 -THC-11-ioc acid, 5α-cholestane and 5’-nor- 8 -THC-4’-ioc acid with different derivatizati...
Ngày tải lên: 24/10/2013, 19:15
Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 21)
... unconjugated (free) forms of morphine, codeine and 6-acetylmorphine, the extrac- tion is made as follows. A 2-mL volume of urine is diluted 2-fold with puri ed water and mixed with 0.1 mL of the ... methods, the liquid-liquid extraction and the solid-phase extraction, are avail- able; the latter gives cleaner extracts for GC and GC/MS analysis. i. Liquid-liquid extraction i. A 2...
Ngày tải lên: 24/10/2013, 19:15
Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 70)
... cap, followed by the addi- tion of 20 mg of anhydrous sodium carbonate and vortex-mixed for 1 min. v. A er centrifugation at 3,0 00 rpm for 2 min, 1- or 4- L of the upper layer is injected into ... 20 µL of IS solution and 0.2 mL of the saturated silver acetate solution e are added to the above solution, vortex-mixed and centrifuged at 3,0 00 rpm for 5 min. iii. A 0.2-...
Ngày tải lên: 24/10/2013, 19:15
Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 71 and End)
... 26 1, 30 3, 31 6, 38 4, 53 7, 56 3, 59 3, 62 0, 650 DB-5 7 8, 17 4, 19 0, 28 3, 38 4, 45 6, 48 3, 53 7, 563 DB-17 16 0, 16 7, 22 0, 23 1, 31 6, 38 5, 48 9, 49 2, 49 4, 593 DB-210 537 DB-5MS 17 4, 50 0, 54 6, 56 3, 600 DB-624 ... Analysis 584 HP-Wax 154 HPLC 3 8, 17 4, 17 5, 17 9, 20 1,...
Ngày tải lên: 24/10/2013, 19:15
Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 22)
... standards [2] • Cocaine hydrochloride (Shionogi & Co ., Ltd ., Osaka, Japan; Takeda Chem. Ind. Ltd ., Osaka, Japan; or Sigma, St. Louis, MO, USA) is dissolved in 0.2 M hydrochloric acid aqueous ... TFAA with TFET can also give good results for derivatizations. f) For body uid specimens, such as blood, urine, stomach content uid and bile, sodium uoride is added to each...
Ngày tải lên: 29/10/2013, 01:15
Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 23)
... transferred to a small glass centrifuge tube with a ground-in stopper, followed by addition of several mg of solid K 2 CO 3 and 3 mL of chloroform. e tube is vortex-mixed well and centri- fuged at ... accelerating voltage: 1.5 kV. Procedure i. To 1-mL of whole blood or urine, containing pentazocine, are added 50 ng dextromethor- phan (IS, methanolic solution) and 6 mL distilled...
Ngày tải lên: 29/10/2013, 02:15