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水流动相GPC标样-葡聚糖, 高Mw,支链; Aqueous GPC/SEC StandardssDextran, High Mw, Branched, Polysaccharides continued; Mp 490000, Mw 534000, Mn 371000 IV 0.633; IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C (a = 0.50; K = 0.00098
盐酸环丙沙星-D8
土壤成分分析标准物质-陕西省洛川黄土
Dorzolamide Hydrochloride Related Compound A
PUNYW24889441 N-Methyl Serotonin
Volatile Petroleum Hydrocarbon without Surrogate Std. 标准品
PCB-Mix 4,10ng/ul 标准品
VITAMIN E ACETATE(DL-a-TOCOPHEROL ACETATE)(P) 标准品
2.2'-Difluorobiphenyl Solution 100ug/ml in Methanol
First Standard® 丙酮中氧异柳磷溶液,1000μg/mL
玉米面粉中脱氧雪腐镰刀菌烯醇 (DON)