ADN standards (≥99%) were prepared in our laboratory. Ammonium sulfamate (NH4SO3NH2, ≥98%), nitric acid (HNO3, ≥99%), sulphuric acid (H2SO4, ≥99%), n-hexane, sodium dodecyl sulfate (SDS), triethylamine, Na2CO3, NaHSO3, were purchased from Sinopharm Group Chemical Reagent Co. Anhydrous piperazine (PIP, ≥98%), m-phenylenediamine (MPD, ≥98%), and homo phthaloyl chloride (TMC, ≥99%) were purchased from J&K Scientific Ltd. Acetone and ammonia were purchased from Aladdin Reagent (Shanghai) Co., Ltd. The above reagents were of analytical grade and used without special instructions.
M phenylenediamine
Manufactured by J&K Scientific
Sourced in China
M-phenylenediamine is a chemical compound used in various industrial and scientific applications. It is a diamine with the chemical formula C₆H₈N₂. This product is commonly used as an intermediate in the synthesis of dyes, pigments, and other specialty chemicals. Its core function is to serve as a building block for the production of these materials.
Automatically generated - may contain errors
Lab products found in correlation
Sulphuric acid, by Sinopharm (1 mentions)
Nahso3, by Sinopharm (1 mentions)
N hexane, by Sinopharm (1 mentions)
Triethylamine, by Sinopharm (1 mentions)
Sodium dodecyl sulfate (sds), by Sinopharm (1 mentions)
Nitric acid, by Sinopharm (1 mentions)
Na2co3, by Sinopharm (1 mentions)
Sodium dodecyl sulfate (sds), by J&K Scientific (1 mentions)
Udel p 3500, by Solvay (1 mentions)
2 protocols using m phenylenediamine
1
Preparation of High-Purity ADN Standards
2
Polysulfone Membrane Fabrication and Characterization
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Polysulfone (PSf, UDEL P-3500,) and sulfonated polysulfone (SPSf, DS: 10%) descript as Scheme 1 , purchased from Solvay (Alpharetta, GA, USA), were first dried at 80 °C for 12 h prior to use. N,N-dimethylformamide (DMF, >99%), N,N-dimethylacetamide (DMAc, >99%), N-methyl-2-pyrrolidone (NMP, >99%) were purchased from Aladdin Reagent Co. Ltd. (Shanghai, China) and were used as solvents to fabricate the UF blended membrane as the porous support for the composite RO membrane. M-phenylenediamine (MPD, >99.5%), trimesoyl chloride (TMC, >99.5%) and aqueous phase additives including triethyl amine (TEA), (+)-10-champhor sulfonic acid (CSA), and sodium dodecyl sulfate (SDS) were purchased from J&K Scientific Ltd. Beijing, China, and were used to prepared polyamide layer on the porous support via interfacial polymerization. All reagents were of analytical grade and used directly without further purification. Deionized (DI) water was self-produced in-lab through a two-stage RO system.
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