产品介绍
提供维生素E标准品套装
价 格：￥电议
型 号：
产品完善度：
生产地：其他访问量：22次
发布日期：2015/7/11 23:52:58
更新日期：2015/7/11 23:52:58
详细内容
提供维生素E标准品套装（Vitamin E Reference Standard）共5种，各250mg
1. d-alpha-tocopherol 1 vial x 250 mg
2. d-beta-tocopherol 1 vial x 250 mg
3. d-gamma-tocopherol 1 vial x 250 mg
4. d-delta-tocopherol 1 vial x 250 mg
5. 2,2,5,7,8-Pentamethyl-6-hydroxychroman (PMC) 1 vial x 250 mg
提供维生素E标准品套装 4OO_ 811 _ 9081 I368I6I966Z
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 Solution)
1. Weigh 50 ~ 100 mg of each reagent by chemical balance, to the nearest 0.1 mg.
2. 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.
3. The standard solutions for each homologue can be prepared by dilution the stock solution just before use.
三烯生育酚 KIT
标准品套装（3 x 10mg ），内含以下 三烯生育酚三支，独立包装，每支各 10mg
TOCOTRIENOL, D-ALPHA
TOCOTRIENOL, D-DELTA
TOCOTRIENOL, D-GAMMA
另有ALPHA 、BETA 、DELTA、GAMMA 三烯生育酚 标准品
TOCOTRIENOL, D-ALPHA 10mg
TOCOTRIENOL, D-BETA 5mg
TOCOTRIENOL, D-DELTA 10mg
TOCOTRIENOL, D-GAMMA 10mg
4OO_ 811 _ 9081 I368I6I966Z
