稳定同位素内标

显示 8470-8478 个结果（共 32187 个结果）

按受关注度排序 按好评度排序 按最新内容排序 按价格从低到高 按价格从高到低

• 
  其他

  MX017i–Mass fraction of testosterone metabolites in freezedried human urine: 5α-androstane-3α-17β-diol(41.2 ± 1.8 ng/g), 5β-androstane-3α-17β-diol (66.0± 2.9 ng/g), androsterone 1652 ± 29 ng/g),etiocholanolone (1359 ± 36 ng/g), testosterone(88.1 ± 4.2 ng/g), epitestosterone (21.9 ± 1.0ng/g), T/E mass ratio (4.03 ± 0.26)

  评分 0 / 5
• 
  其他

  MX016–Carbon Isotope Delta Value (δ13CVPDB / ‰) of 19-norandrosterone (-29.7 ± 0.8) in Water containing 20% Methanol 1 (mL)

  评分 0 / 5
• 
  其他

  MX003–Mass fraction of 19-Norandrosterone (221.4 ng/g)in 1,2-dimethoxyethane (1 mL)

  评分 0 / 5
• 
  其他

  CU-PCC 44-1–Carbon isotope delta value reported for 5α-androstan-3α-ol-17-one acetate (δ13CVPDB / ‰ -32.73 ± 0.06), 5β-androstan-3α, 17β-diacetate(δ13CVPDB / ‰ -30.19 ± 0.07), 5α-cholestane(δ13CVPDB / ‰ -24.83 ± 0.13), and 5β- pregnan-3α,20α-diacetate (δ13CVPDB / ‰ -21.16 ± 0.08)

  评分 0 / 5
• 
  其他

  CU-PCC 42-1–Carbon isotope delta value reported for 5α-cholestane (δ13CVPDB / ‰ -25.03 ± 0.01)

  评分 0 / 5
• 
  其他

  CU-PCC 41-1–Carbon isotope delta value reported for 5α-androstan-3α-ol-17-one acetate (δ13CVPDB / ‰ -32.82 ± 0.02)

  评分 0 / 5
• 
  其他

  CU-PCC 40-1–Carbon isotope delta value reported for 5α-androstan-3α-ol-17-one (δ13CVPDB / ‰ -7.09 ±0.07)

  评分 0 / 5
• 
  其他

  CU-PCC 34-3–Carbon isotope delta value reported for 5β-androstan-3α-ol-17-one (δ13CVPDB / ‰ -28.75 ±0.01), 5α-androstan-3α-ol-17-one (δ13CVPDB / ‰ -26.74 ± 0.03), 5β-pregnan-3α, 20α-diol (δ13CVPDB /‰ -18.65 ± 0.03)

  评分 0 / 5
• 
  其他

  CU-PCC 33-2–Carbon isotope delta value reported for 5α-androstan-3β-ol acetate (δ13CVPDB / ‰ -32.00 ±0.09), 5α-androstan-3α-ol-17-one acetate(δ13CVPDB / ‰ -32.58 ± 0.03), 5β-drostan-3α-ol-11,17-dione acetate (δ13CVPDB / ‰ -16.50 ± 0.03),and 5α-cholestane (δ13CVPDB / ‰ -24.90 ± 0.05)

  评分 0 / 5