Dimethyldimethoxysilane (DMDMS), MTMS, methacrylic acid (MAA), N,N’-methylenebisacrylamide (MBAA), ammonium persulfate, and sodium fluorescein were purchased from J&K Scientific, China. Acrylamide (AAm), acrylic acid (AA), and Irgacure 2959 were obtained from Tokyo Chemical Industry, Japan. Silicone oil (PMX-200, ~500 mPa∙s) was purchased from Aladdin, China. The chemicals are in analytical grade. The monomers AA and MAA were purified before use through an alkaline aluminum oxide chromatography column to remove the inhibitor. Other chemicals were used without further purification. Deionized water was used throughout the experiments. Various substrates, including glass slides, PMMA, PTFE, silicone and aluminum sheets, and silicon wafers, are commercially available.
Ammonium persulfate
Manufactured by J&K Scientific
Sourced in China
Ammonium persulfate is a chemical compound commonly used as an initiator in polymerization reactions. It is a strong oxidizing agent that generates free radicals, which can initiate the polymerization of various monomers. Ammonium persulfate is a white crystalline solid and is soluble in water.
Automatically generated - may contain errors
Lab products found in correlation
N n methylenebisacrylamide, by J&K Scientific (2 mentions)
Methacrylic acid, by J&K Scientific (1 mentions)
Ethyl acetate, by J&K Scientific (1 mentions)
Sodium hydroxide (naoh), by J&K Scientific (1 mentions)
Hexane, by J&K Scientific (1 mentions)
Acetone, by J&K Scientific (1 mentions)
Milli q system, by Merck Group (1 mentions)
Acrylamide, by J&K Scientific (1 mentions)
Hexyl hexanoate, by J&K Scientific (1 mentions)
2 protocols using ammonium persulfate
1
Synthesis and Characterization of Functional Hydrogels
2
Synthesis and Analysis of Baijiu Flavors
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GO (98.0%) with a thickness of 0.7 ∼ 1.2 nm and sodium chloride (99.5%) were purchased from Yuanye Biological Reagent Co., Ltd. (Shanghai, China). Acrylamide (AM, 99.0%), ammonium persulfate (APS, 98.0%), N, N’-methylene bisAcrylamide (MBA, 98.0%), sodium hydroxide (NaOH, ≥ 96.0%), HPLC-grade dichloromethane (CH2Cl2, 99.9%), acetone (99.7%), ethyl acetate (99.9%), tetrachloromethane (CCl4, 99.5%), hexane (99.7%), and HCl solution (36.0%∼38.0%) were obtained from J&K Scientific Ltd. (Beijing, China). FeCl3·6H2O (99.5%), FeCl2·4H2O (99.95%), and ammonium solution (≥25.0% in H2O) were purchased from Aladdin Reagents Co., Ltd. (Shanghai, China). Ultrapure water was prepared through a Milli-Q system at 18.2 MΩ (Millipore, Bedford, MA).
The standards of ethyl pentanoate, ethyl hexanoate, propyl hexanoate, butyl hexanoate, ethyl octanoate, and hexyl hexanoate, with purities over 99%, were purchased from J&K Scientific Co., Ltd. (Beijing, China). 2H5-Ethyl pentanoate (IS1, ≥ 95%) and 2H5-propyl hexanoate (IS2, ≥ 95%) were used as isotope internal standards and obtained from Yuanye Biological Reagent Co., Ltd. (Shanghai, China). The stock standard solutions of each compound were prepared in ethanol and stored at 4 °C until analysis. A freshly prepared ethanol–water solution at 15% alcohol by volume (ABV) was used as a synthetic model of Baijiu.
The standards of ethyl pentanoate, ethyl hexanoate, propyl hexanoate, butyl hexanoate, ethyl octanoate, and hexyl hexanoate, with purities over 99%, were purchased from J&K Scientific Co., Ltd. (Beijing, China). 2H5-Ethyl pentanoate (IS1, ≥ 95%) and 2H5-propyl hexanoate (IS2, ≥ 95%) were used as isotope internal standards and obtained from Yuanye Biological Reagent Co., Ltd. (Shanghai, China). The stock standard solutions of each compound were prepared in ethanol and stored at 4 °C until analysis. A freshly prepared ethanol–water solution at 15% alcohol by volume (ABV) was used as a synthetic model of Baijiu.
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