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Bromothymol Blue, conform to ACS, pure 25GR
1,2,4-1H-三氮唑,99.5%
4-(2-羟基乙氧基)苯甲醛,97.0%(GC)
Copper chromite, catalyst 500GR
FLASK, DEWAR, WIDE-MOUTH 0.5 LITER, ALL STAINLESS
(S)-(-)-N-(2-Hydroxyethyl)-alpha-phenylethylamine, 99% 10GR
α,α-二溴对二甲苯,98.0%(GC)
6'-二乙氨基-2'-二苄氨基荧烷,98%+
3,3,5-三甲基环己基水杨酸酯(顺反异构体混和物), ≥98.0%
Palladium standard solution, 1 mg/ml Pd in 10% HCl, for AAS 500ML