Total Organic Carbon (TOC), is used as a standard solution during the measurement of chemical analysis such as detecting contaminants in drinking water and cooling water. It is also used for analysis of water to be used for semiconductor manufacturing and pharmaceutical use.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.