钒，Vanadium；powder, -100 mesh, 99.9% trace metals basis
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反式-2-甲基-2-丁烯醛 [惕各醛]，trans-2-Methyl-2-butenal [Tiglic aldehyde]；sum of isomers, ≥99%, FG -
L-亮氨酸，L-Leucine；reagent grade, ≥98% (HPLC) -
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三甲基硅醇，Trimethylsilanol [TMS, TMSiOH]；≥97.5% (GC) -
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苏丹四号 [苏丹IV, 苏丹红4]，Sudan IV；Certified Biological Stain Commission,Dye content ≥80% -
石油醚，Petroleum benzine boiling range 40-60°C；for gas chromatography ECD and FID SupraSolv®
