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Pesticide grade n hexane

Manufactured by Thermo Fisher Scientific
Sourced in United States

Pesticide grade n-hexane is a highly purified, analytical-grade solvent used in various laboratory applications. It serves as a reliable and efficient extraction solvent for a wide range of organic compounds, including pesticides, oils, and other non-polar substances. The product meets stringent purity standards to ensure consistent and reliable performance in analytical procedures.

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2 protocols using pesticide grade n hexane

1

Synthesis and Characterization of Halogenated Biphenyl Metabolites

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PCB 136, 2,2′,3,3′,6,6′-hexachlorobiphenyl-4-ol (4-136), 2,2′,3,3′,6,6′-hexachlorobiphenyl-5-ol (5-136), 4,5-dimethoxy-2,2′,3,3′,6,6′-hexachlorobiphenyl (methylated derivative of 2,2′,3,3′,6,6′-hexachlorobiphenyl-4,5-diol; 4,5-136) and 2,2′,3′,4,6,6′-hexachloro-3-methoxybiphenyl (methylated derivative of 2,2′,3′,4,6,6′-hexachlorobiphenyl-3-ol; 3-150) were synthesized as described previously (Waller et al. 1999 (link)). The chemical structures and the abbreviations of the HO-PCB metabolites are shown in Figure 1A. Surrogate recovery standards (2,3,4′,5,6-pentachlorobiphenyl, PCB 117; 2′,3,3′,4,5,5′-hexachlorobiphenyl-4-ol, 4-159) and internal standard (2,2′,3,4,4′,5,6,6′-octachlorobiphenyl, PCB 204) were purchased from Accustandard (New Haven, CT). NAC and tetrabutylammonium sulfite were purchased from Fisher Scientific (Pittsburg, PA, USA). L-Glutathione and β-nicotinamide adenine dinucleotide 2′-phosphate reduced tetrasodium salt hydrate (NADPH) were obtained from Sigma-Aldrich (St. Louis, MO, USA). Pesticide grade n-hexane, 2-propanol and methyl tert-butyl ether (MTBE) were purchased from Fisher Scientific (Pittsburg, PA, USA).
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2

Quantitative Analysis of Polycyclic Musks

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Standard solutions of five polycyclic musks, namely, celestolide (ADBI), phantolide (AHMI), traseolide (ATII), galaxolide (HHCB), and tonalide (AHTN), with concentrations of 10 mg/L were obtained from Dr. Ehrenstorfer (Augsburg, Germany). The internal standard, 13C6-labeled hexachlorobenzene (13C6-HCB, 100 mg/L), was obtained from Cambridge Isotope Laboratories (Andover, MA, USA). Pesticide-grade n-hexane, dichloromethane (DCM), acetone, and chromatography-grade ethyl acetate were supplied by Fisher Scientific (J.T. Baker, Pittsburgh, PA, USA). N,N′-Dicyclohexylcarbodiimide (DCC) was obtained from Alfa Aesar (Ward Hill, MA, USA). Hydrazine hydrate (85%) was purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Analytical-grade N,N-dimethylformamide (DMF) was obtained from J&K Scientific Ltd. (Beijing, China).
Graphene oxides (GOs) were purchased from Nanjing XFNANO Materials Tech (Nanjing, China). Aminosilica and C18 silica were obtained from Agilent (Santa Clara, CA, USA). N-Vinylpyrrolidone polymeric cartridges (Oasis HLB) were obtained from Waters (Milford, MA, USA).
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