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. 2022 Jan 11;7(3):3024–3029. doi: 10.1021/acsomega.1c06052

Table 3. Sample Source, CAS Registry Number, and Initial Purity.

component chemical formula CAS number supplier mass fraction (%)
3-amino-1,2,4-triazole-5-carboxylic acid C3H4N4O2 304655-78-5 Alfa aesar, Tianjin 98
manganese chloride MnCl2 7773-01-5 aladdin, Shanghai ≥99
zinc nitrate hexahydrate Zn(NO3)2·6H2O 10196-18-6 aladdin, Shanghai ≥98
ethanol absolute C2H5OH 64-17-5 aladdin, Shanghai ≥99.7
sodium hydroxide NaOH 1310-73-2 Merck, India 96
hydrochloric acid HCl 7647-01-0 Merck, India 37