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Vitamin E Reference Standard

• 商品别名：维生素E标准品套装
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• 包装规格：1set 大包装询价
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• Vitamin E: Tocopherols & Tocotrienols
  
  生育酚

  Contents:
  d-α-tocopherol, 98.5+% [CAS 59-02-9] 1 vial x 250 mg
  d-β-tocopherol, 98.5+% [CAS 148-03-8] 1 vial x 250 mg
  d-γ-tocopherol, 98.5+% [CAS 54-28-4] 1 vial x 250 mg
  d-δ-tocopherol, 98.5+% [CAS 119-13-1] 1 vial x 250 mg
  2,2,5,7,8-Pentamethyl-6-hydroxychroman (PMC), 99.0+% [CAS 950-99-2] 1 vial x 250 mg
  Note: PMC is used as the internal standard for HPLC analysis of tocopherol, but not for GC analysis.
  Storage condition:
  Each vial is aluminum-packed with an oxygen adsorbent. One opening the vials, store the reagent under inert gas in a refrigerator in the dark. Under such conditions, the reagents are stable for 6 months.
  Instruction for use (Preparation of each solution)
  Weigh 50 ~ 100 mg of each reagent by chemical balance, to the nearest 0.1mg.
  Add ethanol or hexane to dissolve the reagent to the final concentration of 1 mg vitamin homologue/mL as the stock solution. The stock solution in tightly capped vials are stable at 5 degrees C for a month.
  The standard solutions for each homologue can be prepared by dilution the stock solution just before use.

  
  1072                     rac-α-Tocopherol 50 mg  95+% TLC/98+% GC
  1071                     rac-β-Tocopherol 50 mg  95+% TLC/98+% GC
  1073                     rac-γ-Tocopherol  50 mg  95+% TLC/98+% GC
  1790                     δ-Tocopherol        50 mg   95+% TLC/98+% GC
  1074           rac-5,7-Dimethyltocol    50 mg  95+% TLC/98+% GC
  1797                      Tocol                      50 mg  95+% TLC/98+% GC
  α β γ δ -  三烯生育酚 标准品
  Research use only. Do not administer it to human.
  2109          α-Tocotrienol    25 mg  98+% TLC/98+% GC
  2110          β-Tocotrienol    25 mg  98+% TLC/98+% GC
  2111          γ- Tocotrienol    25 mg  98+% TLC/98+% GC
  2112          δ-Tocotrienol    25 mg  98+% TLC/98+% GC

  储存条件：2-8 Degree C