References
- Frison-Norrie , S and Sporns , P . 2001 . Investigating the molecular heterogeneity of polysorbate emulsifiers by MALDI-TOF MS . Journal of Agricultural and Food Chemistry , 49 : 3335 – 3340 .
- Jake , B , Sticher , O , Veit , M , Fröhlich , R and Paili , GF . 2002 . Evaluation of glucoiberin reference material from Iberis amara by spectroscopic fingerprinting . Journal of Natural Products , 65 : 517 – 522 .
- Jancke , H . 1998 . NMR spectroscopy as a primary analytical method . Comité Consultatif pour la Quantité de Matière Report 98: 1–12
- Joint FAO/WHO Expert Committee on Food Additives (JECFA) . Available: http://www.fao.org/ag/agn/jecfa/archive_en.stm. Accessed 20 November 2006
- Koike , R , Jo , S , Azuma , M and Wakisaka , T . 2004a . Precise and rapid determination of anionic and cationic surfactants by 1H nuclear magnetic resonance using an internal standard . Bunseki Kagaku (The Japan Society for Analytical Chemistry) , 53 : 1125 – 1131 .
- Koike , R , Jo , S , Azuma , M and Wakisaka , T . 2004b . Precise and rapid determination of amphoteric and nonionic surfactants by 1H nuclear magnetic resonance using an internal standard . Bunseki Kagaku (The Japan Society for Analytical Chemistry) , 53 : 1133 – 1138 .
- Koike , R , Jo , S , Azuma , M and Wakisaka , T . 2005 . Precise and simultaneous determination of surfactants by 1H nuclear magnetic resonance using an internal standard . Bunseki Kagaku (The Japan Society for Analytical Chemistry) , 54 : 715 – 722 .
- Paula , GF . 2001 . qNMR—a versatile concept for the validation of natural product reference compounds . Phytochemical Analysis , 12 : 28 – 42 .
- Paula , GF , Jake , BU and Lankin , DC . 2005 . Quantitative 1H NMR: Development and potential of a method for natural products analysis . Journal of Natural Products , 68 : 133 – 149 .
- Saito , T , Ihara , T , Sato , H , Jancke , H and Kinugasa , S . 2003 . International comparison on the determination of an ethanol aqueous solution by 1H nuclear magnetic resonance . Bunsaki Kagaku (The Japan Society for Analytical Chemistry) , 52 : 1029 – 1036 .
- Saito , T , Nakaie , S , Kinoshita , M , Ihara , T , Kinugasa , S , Nomura , A and Maeda , T . 2004 . Practical guide for accurate quantitative solution state NMR analysis . Metrologia , 41 : 213 – 218 .
- Stefanova , R , Rankoff , D , Panayotova , S and Spassov , SL . 1988 . Quantitative proton NMR determination of linoleic acid mono- and diester of polyethyleneglycols via reaction with trichloroacetyl isocyanate . Journal of American Oil Chemists’ Society , 65 : 1516 – 1518 .
- Vu Dang , HV , Gray , AI , Watson , D , Bates , CD , Scholes , P and Gillian , GM . 2006 . Composition analysis of two batches of polysorbate 60 using MS and NMR techniques . Journal of Pharmaceutical and Biomedical Analysis , 40 : 1155 – 1165 .
- Wells , RJ , Hook , JM , Al-Deen , TS and Hibbert , DB . 2002 . Quantitative nuclear magnetic resonance (QNMR) spectroscopy for assessing the purity of technical grade agrochemicals: 2,4-Dichlorophenoxyacetic acid (2,4-D) and sodium 2,2-dichloropropionate (dalapon sodium) . Journal of Agricultural and Food Chemistry , 50 : 3366 – 3374 .