Sulfamethoxazole (99.7%) was obtained from Sigma-Aldrich and used without additional purification. An aqueous stock solution of SMX (10 mg L−1) was prepared, protected from light, and stored at 4 °C. HPLC analysis was used to confirm the presence of SMX as a pure organic compound. Silver nitrate (99%) and niobium(v ) oxide (99.9%) were also obtained from Aldrich and used as the sources of the silver and the niobate in the preparation of the photocatalysts. Potassium persulfate (K2S2O8, 99%) was purchased from Panreac and used as the PS source. P25 TiO2 was obtained from Degussa. Sodium hydroxide, nitric acid, reagent-grade ammonium acetate, and HPLC-grade methanol were purchased from Merck. Water was purified with a Milli-Q water ion-exchange system (Millipore Co.) for a resistivity of 1.8 × 107 Ω cm, and the deionized water was utilized in all the experiments.
Milli q water ion exchange system
Manufactured by Merck Group
Sourced in United States
The Milli-Q water ion-exchange system is a laboratory water purification device. It uses ion-exchange technology to produce highly purified water for use in various applications, such as analytical and scientific research.
Automatically generated - may contain errors
Lab products found in correlation
Sodium hydroxide (naoh), by Merck Group (2 mentions)
Nitric acid, by Merck Group (2 mentions)
Sulfamethoxazole, by Merck Group (1 mentions)
Tio2 p25, by Evonik (1 mentions)
Potassium persulfate k2s2o8, by ITW Reagents (1 mentions)
Silver nitrate, by Merck Group (1 mentions)
Hplc grade methanol, by Merck Group (1 mentions)
L cysteine, by Thermo Fisher Scientific (1 mentions)
Tin 4 chloride pentahydrate, by Merck Group (1 mentions)
Indium 3 chloride tetrahydrate, by Merck Group (1 mentions)
Methanol, by Merck Group (1 mentions)
Ammonium acetate, by Merck Group (1 mentions)
2 protocols using milli q water ion exchange system
1
Photocatalytic Degradation of Sulfamethoxazole
2
Ethiofencarb Quantification and SnIn4S8 Synthesis
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Ethiofencarb was purchased from Fluka (99.1%, Seelze, Germany) and used to prepare the stock solutions in de-ionized water (10 mg L−1) without any further purification. The purity of the organic compound was analyzed by high performance liquid chromatography (HPLC). The solutions were stored in the dark at 4 °C prior to usage. Stannum indium sulfide (SnIn4S8) was prepared using the following precursors: tin (IV) chloride pentahydrate (98%) and indium (III) chloride tetrahydrate (97%) from Sigma-Aldrich (St. Louis, MO, USA) in addition to L-cysteine (98%) from Alfa Aesar (Haverhill, MA, USA). The other chemicals used in this study were obtained from Merck (Darmstadt, Germany): ammonium acetate (reagent-grade), nitric acid, sodium hydroxide, and methanol (HPLC-grade). De-ionized water was prepared by purification using a Milli-Q water ion-exchange system (Millipore Co., Burlington, MA, USA) with a resistivity = 1.8 × 107 Ω cm.
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