Complexing agents such as EDTA are used in soaps and other detergents in order to remove unwanted metal ions and to lower water hardness. The EDTA content in soaps and detergents can be determined using potentiometric titration with copper sulfate as titrant and the Cu-ISE as electrode for indication and cupric sulfate as titrant.
Click here to access Metrohm’s application according to ASTM D1767.
IDEXX announces that its Colilert®-18/Quanti-Tray® test becomes the new International Organization for Standardization (ISO) worldwide standard for detecting total coliforms and E. coli in water. The Organization has withdrawn ISO 9308-2:1990, which follows the multiple tube (most probable number) method, and replaced it with ISO 9308-2:2012 using the Colilert-18/Quanti-Tray method.
August 01, 2013 More +
DNA mutations lead to abnormal or missing functional proteins, which can cause cells to multiply uncontrollably and become cancerous. The extraction of pure tumor material is extremely important to understand the underlying mutation for a specific cancer type.
December 18, 2018 More +
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