Nortriptyline and amitriptyline were purchased from Daroupakhsh Company (Tehran, Iran). Desipramine was a gift from Exir Pharmaceutical Company (Boroujerd, Iran). Clomipramine and imipramine were obtained from Soha Pharmaceutical Company (Karaj, Iran). Sodium sulfate, sodium chloride, potassium chloride, ammonia (25 %), hydrochloric acid (37 %), acetone, dimethyl formamide (DMF), sodium hydroxide, and ammonium acetate were supplied from Merck (Darmstadt, Germany). Menthol with a purity of 98 % was also purchased from Merck. Primary-secondary amine (PSA), graphitized carbon black (GCB), and octadecylsilane (C18) sorbents were purchased from Agilent Technologies Company (Santa Clara, CA, USA). Methanol, acetonitrile (ACN), and HPLC-grade water were supplied from Chemlab (Zedelgem, Belgium). A mixture stock solution of drugs was prepared in Methanol with a concentration of 50 mg L-1 (each drug) and working standard solutions were prepared daily by diluting the stock solution with HPLC-grade water.
Octadecylsilane c18 sorbents
Manufactured by Agilent Technologies
Sourced in United States, Canada
Octadecylsilane (C18) sorbents are a type of solid-phase extraction (SPE) media used in analytical chemistry. They are comprised of silica particles with chemically bonded octadecyl (C18) functional groups. These sorbents are designed to selectively retain and separate analytes based on their hydrophobic interactions with the C18 phase.
Automatically generated - may contain errors
Lab products found in correlation
Sodium chloride (nacl), by Merck Group (2 mentions)
Hydrochloric acid (hcl), by Merck Group (1 mentions)
Sodium hydroxide (naoh), by Merck Group (1 mentions)
Potassium chloride (kcl), by Merck Group (1 mentions)
Ammonium acetate, by Merck Group (1 mentions)
Sodium sulfate, by Merck Group (1 mentions)
Dimethylformamide dmf, by Merck Group (1 mentions)
Menthol, by Merck Group (1 mentions)
Methanol, by Chem-Lab (1 mentions)
Trisodium citrate dihydrate, by Merck Group (1 mentions)
Sodium acetate trihydrate, by Merck Group (1 mentions)
Disodium citrate sesquihydrate, by Merck Group (1 mentions)
2 protocols using octadecylsilane c18 sorbents
1
Chemical Analysis of Tricyclic Antidepressants
2
Pesticide Quantification in Food Samples
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Pesticide reference standards (purity ≥ 95%), internal standards (ISs), triphenyl phosphate (TPP), and D10-chlorpyrifos (CPR-d10) were purchased from Dr. Ehrenstorfer (Augsburg, Germany). Acetonitrile (ACN), methanol (MeOH), and water (H2O) were of HPLC grade. Acetic acid (CH3COOH), anhydrous magnesium sulphate (MgSO4), sodium acetate trihydrate (CH3COONa•3H2O), trisodium citrate dihydrate (Na3C6H5O7•2H2O), disodium citrate sesquihydrate (Na2HC6H5O7•1.5H2O), and sodium chloride were purchased from Merck (Darmstadt, Germany). Primary secondary amine (PSA), graphite carbon black (GCB), and octadecylsilane (C18) sorbents were obtained from Agilent Technologies (Canada).
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