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2,5-二氟硝基苯, ≥98.0%
Buffer Solution pH5.0 (C8H5KO4-NaOH), %
Lead standard 1000 mg Pb (Pb(NO3)2 in H2O) Titrisol
3-溴苯甲腈,98.0%(GC)
Methyl Red, conform to ACS, pure 25GR
N,N'-Dicyclohexylcarbodiimide, 99% 5KG
01-64-0360-5GM, DFPE POLYSTYRENE, 8.55035.0005
N-Formyl-4-(methylamino)benzoic acid, 98% 25GR
多聚磷酸
3-Methylquinoline, 99% 5GR