drugs and legalization

Ngày tải lên: 02/04/2014, 17:48

... manufacturing drugs or as reagents for synthesis in industries; they are also used as aromatics. Because of their pharmacological e ect, alkyl nitrites are being abused as uncontrolled inhalant drugs and ... 0.05 mL of isobutyl nitrite or isobutyl alcohol standard solution at various concentrations and 0.2 mL distilled water are placed in the vial and mixed.  e following pro...

Ngày tải lên: 18/10/2013, 00:15

... world with a shock and anxiety. VX is easily hydrolyzed under alkaline conditions, and also in the environmental water and soil to produce ethylmethylphosphonic acid (EMPA) and further methylphosphonic ... methylation [5], silylation [6–8] and penta uorobenzyl (PFB) derivatization [9, 10], LC/MS [11] and CE/MS [12, 13] both without any derivatization, LC/MS a er deriva- tizati...

Ngày tải lên: 18/10/2013, 00:15

... can- nabis and its components are being controlled under the Cannabis Control Law and the Narcotics Control Law in Japan. For such legal control, analysis of cannabis components and their ... eluting solvent for getting each cannabinoid standard. • ∆ 9 -THC, CBD and CBN are separately dissolved in ethanol to prepare 0.05–0.5 mg/mL standard solution for each compound b . • 5α-C...

Ngày tải lên: 24/10/2013, 19:15

... heroin and codeine. The thick and thin arrows show the main and minor metabolic pathways, respectively. ⊡ Figure 3.1 197 • Standard solutions of morphine for a calibration curve (2, 6 and 20 ... HPLC analysis Reagents and their preparation • Standard solutions of morphine for a calibration curve (2, 6 and 20 µg/mL): see “Reagents and their preparation”, above of GC and GC/MS a...

Ngày tải lên: 24/10/2013, 19:15

... wide-bore and medium-bore capillary columns. With the medium-bore capillary column, a big and broad peak due to mesitylene appears.  e detection limits are about 0.3 and 0.1 µg/mL for wide-bore and ... methods by ion chlomatog- raphy [7] and GC/MS [8] were reported. In this chapter, a method for GC analysis of nitrate and nitrite in blood using wide-bore and medium-bore capill...

Ngày tải lên: 24/10/2013, 19:15

... methylphosphono- thiolate 619 OHMA 181 OHnorBZP 171, 179, 183 oleandrigenin 519 oleander poisoning 524 oleander toxins 519 oleandrin 519, 521, 523, 525 on-column derivatization 238 on-column ... cyanide solution is added and mixed well. ix. A er allowing the cuvettes to stand for 2 min, the absorbances of cuvettes B and D at 630 nm are read using cuvettes A and C as references, resp...

Ngày tải lên: 24/10/2013, 19:15

... sampling, and processed for extraction and derivatiza- tion procedure. Good recoveries of cocaine and its metabolites can be obtained with a mixed type extraction column (Bond Elut Certify®) and a ... PFPA and 50 µL HFIP, capped airtightly and heated at 70 °C for 30 min for derivatization. A 1–2 µL aliquot of it is subjected to GC/MS analysis. Cocaine and its metabolites 210 C...

Ngày tải lên: 29/10/2013, 01:15

... [1–4], HPLC [5–7] and GC/MS [8]. In this chapter, a simple method for GC/MS analysis of pentazocine in human whole blood and urine is presented. Structures of pentazocine and dextromethorphan ... solid K 2 CO 3 and 3 mL of chloroform.  e tube is vortex-mixed well and centri- fuged at 3,000 rpm for 5 min.  e upper aqueous phase is carefully removed with a Pasteur pipette, and...

Ngày tải lên: 29/10/2013, 02:15

... tract is rapid and distinct visual hallucination takes place 45 min–1 h a er oral intake of about 20 µg of LSD [1].  e hallucination becomes most marked 2–3 h a er the intake and lasts for ... lasts for 8–12 h. In this chapter, a detection method by TLC and con rmatory analysis by GC/MS for LSD are presented. Reagents and their preparation • LSD can be obtained from each local...

Ngày tải lên: 08/11/2013, 01:15