最新公告:

天津欧捷科技代理瑞士santis,英国labco,美国alpha,德国元素elementar,美国thermo等品牌耗材

天津欧捷科技有限公司

咨询热线

13820734559

QQ:1454116470

站内搜索

    {eyou:eq name='$Think.const.CONTROLLER_NAME' value='Index'}
  • {/eyou:neq}

IAEA同位素标样

IAEA-310 , 15N labelled urea,尿素,IAEA同位素标样

添加时间:2020-04-16
  • 货号:IAEA-310
  • 规格:2 x 0.1g
  • 品牌:IAEA

IAEA-310 , 15N labelled urea

Inorganic , Pure Substance

  • Unit Size: 2 x 0.1g

  • International Chemical Safety Card (ICSC): ISCS_0595

Reference material IAEA-310 consists of two materials (A and B) which were prepared from highly enriched 15N labelled urea by dilution with the unlabelled compound in redistilled water. After mixing, evaporation, freeze drying, crystallization and further mixing, the material was dispensed into glass vials. The values listed above were established on the basis of statistically valid results submitted by laboratories which had participated in an international intercomparison organized by the Section of Nutritional and Health Related Environmental Studies [1].

AnalyteValueUnit95% C. I.NR/I/C
δ15N (Vial A)47.2air N246.0 - 48.524R
δ15N (Vial B)244.6air N2243.9 - 245.423R

[1] The isotopic compositions are given in parts per thousand difference from isotope ratio standard atmospheric N2 (Air)
(N) Number of accepted laboratory means which were used to calculate the recommended or information values and their respective confidence intervals about the mean value
(R/I) Classification assigned to the property value for analyte (Recommended/Information)


联系我们

电话:022-25966291

手机:13820734559

地址:天津市滨海新区海滨街财富金港商业街A区4号

邮箱:ojielab@163.com

电话:022-25966291 手机:13820734559 地址:天津市滨海新区海滨街财富金港商业街A区4号
版权所有:Copyright © 2020-2020 天津欧捷科技有限公司 版权所有 ICP备案编号:津ICP备12005804号-1
关注我们