measure of small concentrations (1 to 100 ppm) citric acid

Taxonomy

• Test & Measurement
• Measurement

2 Answers

1. Simply, you can ‘google’ (“citric acid” “test strip”) your request and you will find a lot of solutions, like this one: https://www.indigoinstruments.com/test_strips/biology/miscellaneous/vitamin-c-citric-acid-color-chart.html

   or:

   https://www.admeo.us/products/citric-acid-reagent-kit

    

2. HPLC or a back titration with a base. 

   1 Comment

   1. thanks Todd, indeed that is what I knew also but I am looking for a quick test that can be done in the field, by test strip or so