How to detect Detojet residues using phosphate

Problem:
In order to document that acceptable levels of Detojet are left after cleaning, or to search for Detojet residues in an investigation of cleaning and rinsing effectiveness, you need to find an appropriate analytical method to detect Detojet.

Solution:
Basically if I wanted to search for Detojet residues, the phosphates are probably the most characteristic ingredient to look for. Detojet contains 2.3% elemental Phosphorous as phosphates. Note that the phosphates in Detojet are polyphosphates.

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