Sodium diethyl dithiocarbamate trihydrate (C5H10NS2Na·3H2O) with analytical grade was purchased from Shanghai Aladdin Bio-Chem Technology Co., Ltd, China. Fig. S1 (see in the ESI† ) shows the molecular structure of DDC. Other chemicals such as cupric acetate, lead acetate, diethylamine, silver sulfate and mercury sulfate were of analytical grade and purchased from Sinopharm Chemical Reagent Co., Ltd, Beijing, China. Deionized water was used in the degradation experiments. A 40 W VUV lamp was purchased from Bright Star Light & Electricity Co., Ltd, Guangdong, China. The lamp emitted about 10% of 185 nm VUV radiation and 90% of UV254nm radiation (see in Fig. S2† ). To conduct the O3/UV254nm and UV254nm photolysis experiments, the UV254nm lamp, with same electric power and size to the VUV lamp, was purchased.
Diethylamine
Manufactured by Sinopharm
Sourced in China
Diethylamine is a clear, colorless, flammable liquid that is used as a chemical intermediate in the synthesis of various pharmaceuticals and agricultural products. It has a characteristic amine-like odor. Diethylamine is a basic compound with a pungent ammonia-like smell.
Automatically generated - may contain errors
2 protocols using diethylamine
1
Photocatalytic Degradation of Pollutants
2
Photodegradation of Organic Collectors Using UV Lamps
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Two types of low-pressure Hg lamps with electrical power of 40 W were purchased from Bright Star Light & Electricity Co., Ltd, Guangdong, China. The UV185+254 nm lamp transmitted both 185 nm VUV and 254 nm UV light through high-purity quartz glass, but the UV254 nm lamp only transmitted 254 nm UV light. The UV254 nm irradiation intensity of UV185+254 nm lamp was about 90% of UV254 nm lamp. The lamps had a length of 1199 mm and a diameter of 19 mm.
The PEX and SDD with analytical grade were purchased from Aladdin Chemical Reagent Co., Ltd, Shanghai, China. The industrial grade IET and DDA were purchased from Tieling Flotation Reagents Co., Ltd, Liaoning, China. Their molecular structures, molecular formulas and abbreviations are summarized intable 1 . Other chemicals such as cupric acetate, lead acetate, diethylamine, triethanolamine, silver sulfate and mercury sulfate were of analytical grade and purchased from Sinopharm Chemical Reagent Co., Ltd, Beijing, China. Deionized water was used in the degradation experiments.
The PEX and SDD with analytical grade were purchased from Aladdin Chemical Reagent Co., Ltd, Shanghai, China. The industrial grade IET and DDA were purchased from Tieling Flotation Reagents Co., Ltd, Liaoning, China. Their molecular structures, molecular formulas and abbreviations are summarized in
Collector name, molecular structure, molecular formula and abbreviation.
| collector name | molecular structure | molecular formula | abbreviation |
|---|---|---|---|
| potassium ethyl xanthate | C2H4OCSSK | PEX | |
| sodium diethyl dithiocarbamate | (C2H5)2NCSSNa | SDD | |
| O-isopropyl-N-ethyl thionocarbamate | (CH3)2CHOCSNHC2H5 | IET | |
| dianilino dithiophoshoric acid | (C6H5NH)2PSSH | DDA |
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