硒纳米颗粒分散液,Selenium nanoparticles [SeNP];80 nm particle size, 0.15 wt. % in water, dispersion
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R-(+)-尼古丁,R-(+)-Nicotine
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2-戊酮,2-Pentanone;suitable for HPLC, 99.5%
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蜕皮激素,20-Hydroxyecdysone;phyproof® Reference Substance, ≥90.0% (HPLC)
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聚合物键合型哌啶,Piperidine, polymer-bound;extent of labeling: 3.0-4.0 mmol/g loading, 1 % cross-linked with divinylbenzene
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硫柳汞钠,Thimerosal;meets USP testing specifications
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2,6-二叔丁基吡啶, 聚合物键合型,2,6-Di-tert-butylpyridine, polymer-bound;200-400 mesh, extent of labeling: ~1.8 mmol/g loading, 1 % cross-linked with divinylbenzene