-
-
- 您现在的位置：首页 >> 产品中心 >> 标准物质 >> IAEA标准物质IAEA标准物质
-
-
中文名称：L-谷氨酸中碳氧同位素标准物质
英文名称：L-glutamic acid Inorganic pure substance订货以英文名称为准。
产品编号：USGS40CAS：/
品牌：标准物质产地：进口
标准值：见证书分子式：/
规格 市场价(元) 折后价(元) 供货周期 数量 加入购物车 1.0g 0.00 0.00 3-4周 加入购物车
-
产品详细介绍
USGS40L-谷氨酸中碳氧同位素标准物质L-glutamic acid Inorganic pure substance
USGS40 was prepared by Qi et al. [1] from commercially available L-glutamic acids. Its recommended δ13C value was determined in an international calibration [2].
Analyte Value Unit SD R/I/C δ13C -26.389 ‰VPDB 0.042 C δ15N -4.5 ‰air N2 0.1 R (R/I/C) Classification assigned to the property value for analyte (Recommended/Information/Certified)
References:
-
QI, H., COPLEN, T.B., GEILMANN, H., BRAND, W.A., BÖHLKE, J.K., Two new organic reference materials for δ13C and δ15N measurements and a new value for the δ13C of NBS 22 oil, Rapid Commun. Mass Spectrom. 17 (2004) 2483-2487.
-
COPLEN, T.B., BRAND, W.A., GEHRE, M., GRÖNING M., MEIJER, H.A.J., TOMAN, B., VERKOUTEREN, R.M., New Guidelines for 13C Measurements, Anal. Chem. 78 7 (2006) 2439-2441.
-
