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1000ppm浓度溯源于NIST特殊材料塑料瓶包装
Methyl disulfide, 99% 2.5KG
马来酸伊索拉定,98.0%(LC&T)
Carbon tetrachloride, for spectroscopy, 99+% 500ML
硅胶干燥剂,橙色,含指示剂,颗粒状~ 1-3 mm
DL-Carnitine hydrochloride, 99% 100GR
3-丁基吡啶,99.0%(GC)
PROTEOMASS GUANIDINATION KIT
n-石蜡的标准混合物(包括C5, C6, C7, C8和C9),standard for GC
3-三氟甲基苯腈,98%+
SILVER CHLORIDE PURE