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Nh4cl

Manufactured by Kanto Chemical
Sourced in Japan

NH4Cl is a chemical compound composed of ammonium (NH4+) and chloride (Cl-) ions. It is a white, crystalline solid that is highly soluble in water. NH4Cl is commonly used in various industrial and laboratory applications as a reagent or source of ammonium.

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2 protocols using nh4cl

1

Synthesis and Characterization of Ir(III) Complexes

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The Ir(III) complexes used in this study were synthesized and characterized according to the methods described in the Supplementary Information.
Acetonitrile (MeCN; Kanto Chemical, spectroscopic grade) and NH4Cl (Kanto Chemical, special grade) were used as received. Antimycin A from Streptomyces sp. (Ant A) and carbonyl cyanide 4-(trifluoromethoxy) phenylhydrozone (FCCP, 98%) were purchased from Sigma-Aldrich. Cell Counting Kit-8 (CCK-8) was purchased from Dojindo Laboratories.
1H-NMR spectra were recorded with a JEOL JNM-ECS400 (400 MHz) spectrometer in DMSO-d6. 1H-NMR chemical shifts were referenced to tetramethylsilane. The apparent resonance multiplicity was described as s (singlet), d (doublet), dd (double doublet), t (triplet), and m (multiplet). ESI–MS spectra were recorded on an Applied Biosystems API 2000 mass spectrometer.
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2

Investigating NDMA Formation in RO Membranes

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Analytical grade chemicals (NaCl, NaHCO3, CaCl2, NH4Cl, and HCl) were purchased from Kanto Chemical Co. (Tokyo, Japan). A NaOCl solution, with over 12% chlorine concentration, was purchased from Tosoh Co. (Tokyo, Japan), and a stock solution of chloramine was prepared at 0.2 M by mixing NaOCl and NH4Cl solutions. Further, hypobromite stabilized by sulfamic acid was used as stabilized hypobromite in this study. A stock solution of stabilized hypobromite comprised of hypobromite, sulfamic acid and sodium hydroxide was supplied by Organo Co. (Tokyo, Japan).
Chemicals selected as NDMA precursors were DMA, TMA, and N,N-dimethylbenzylamine (DMBA) were purchased from Kanto Chemical Co. (Tokyo, Japan) (Table 1). A flat sheet polyamide composite RO membrane sample (namely ESPA2) were supplied by Hydranautics/Nitto (Oceanside, CA, USA). This study used two types of treated wastewater: an ultrafiltration (UF)-treated wastewater and membrane bioreactor (MBR)-treated wastewater, both of which were collected at wastewater treatment plants in Japan.
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