Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

1,2,4,5-Tetrachloro-3-nitrobenzene may be used as an internal standard in the following:Quantification of nicotine, glycerol, propylene glycol, and water in electronic cigarette fluids using a quantitative ¹H NMR analysis method.Quantification of free fatty acids in pharmaceutical lipids by ¹H NMR method.

General description

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.Download your certificate at: http://www.sigma-aldrich.com.

Legal Information

TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC

Other Notes

Chemcial Shift: 7.8 - 8.4 ppm (chemical shifts may slightly vary depending on the experimental conditions)Suitable NMR solvents: CDCl₃, DMSO-d₆