Greetings all:
While doing my CH testing, I'm getting wildly different results based on whether or not I stir my sample during the the last step of the testing.
The instructions say: "Add R-0012 one drop at a time until the color changes to blue. Multiply the number of drops x 25" My question is, should I be stirring my sample (either constantly, or after each drop) while adding the R-0012 reagent?
If I DO stir, I'm getting a CH reading of around 175 PPM. If I don't stir, it's closer to 375 PPM - quite the disparity in results...and one that could potentially have me make a significant error regarding chem additions.
So....to stir, or not to stir...?
Any and all help would be appreciated!
While doing my CH testing, I'm getting wildly different results based on whether or not I stir my sample during the the last step of the testing.
The instructions say: "Add R-0012 one drop at a time until the color changes to blue. Multiply the number of drops x 25" My question is, should I be stirring my sample (either constantly, or after each drop) while adding the R-0012 reagent?
If I DO stir, I'm getting a CH reading of around 175 PPM. If I don't stir, it's closer to 375 PPM - quite the disparity in results...and one that could potentially have me make a significant error regarding chem additions.
So....to stir, or not to stir...?
Any and all help would be appreciated!