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4-(反-4-乙基环己基)苯甲腈,98.0%(GC)
N-Propionyl-D-glucosamine, %
HPLC级三乙胺
Palladium standard solution, 1 mg/ml Pd in 10% HCl, for AAS 500ML
Acethydrazide, 95% 100GR
十八烯基琥珀酸酐(异构体的混和物),90.0%(GC)
Dowex? 50WX2, 200-400 mesh, ion-exchange resin 500GR
认证二级缓冲液标准品 pH(S) = 1.681 (25°C)
3-氯-2,5-二甲基吡嗪,93.0%(GC)
1,2-二碘乙烷, ≥95.0%
