Letter to the editor of Heliyon re: determination of dimethylamine and nitrite in pharmaceuticals by ion chromatography to assess the likelihood of nitrosamine formation Heliyon. 2021; 77: e06179

Our letter to the editor of Heliyon outlines queries on the methodology and sample preparation used in article e06179, published in 2021. The nitrite measurements reported are higher than those observed in our experience. In the interest of reporting nitrite levels that are fully accurate, we would like to discuss the findings with the article authors.

Automated summary

The letter to the editor of Heliyon raises concerns about the methodology and sample preparation used in an article published in 2021. The reported nitrite measurements are higher than those observed by the authors, and they wish to discuss these findings with the article authors.