plating, anodizing, & finishing Q&As since 1989
"Determination of a non-ionic surfactant"
Q. I am interested in a method for determining the concentration of a non-ionic a surfactant in water. I am familiar with the CTAS method, but have heard of a spectroscopic method requiring no sample preparation in the mid to high 200 nm range. Are you familiar with such a method?Pate Linton
- K'ville, North Carolina
"Standard Methods for Examination of Water & Wastewater"
by American Public Health Association
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A. Sorry, don't know. But for the purpose of completeness, (and so I didn't completely waste my time looking up the method), I herewith post the reference for the CTAS method,
<== 'Standard Methods ...', 1985, 16th Edition, Method 512 C. Nonionic Surfactants as CTAS. (Cobalt thiocyanate active substances)
Falls Township, Pennsylvania
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