2,4,6-三(2-吡啶基)-s-三嗪 [TPTZ],2,4,6-Tris(2-pyridyl)-s-triazine;for spectrophotometric det. (of Fe), ≥98%
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5-羧基四甲基罗丹明-叠氮化物染料,Azide-fluor 545;solid
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石油醚,Petroleum benzine boiling range 40-60°C;for gas chromatography ECD and FID SupraSolv®
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环己酮-2,4-二硝基苯腙,Cyclohexanone 2,4-dinitrophenylhydrazone;≥99%
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L-鸟氨酸单盐酸盐,L-Ornithine monohydrochloride;99%
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碘海醇,Iohexol;Pharmaceutical Secondary Standard; Certified Reference Material
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苯酚红,Phenol Red;ACS reagent