How to run a Free Chlorine Test using the Hach DR 900 Colorimeter

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Demonstration of a Free Chlorine test using powder pillow reagent and Hach DR 900 colorimeter.

AquaPhoenix Scientific Inc.
860 Gitts Run Rd.
Hanover, PA 17331
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what kind of reagent? I have this test equipment, but currently for check COD. I also want to check free dan total chlorine? Can you info type of reagent?

risvanrusli
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buenas precio del equipo para solicitarlo

elioandia
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I’m fairly certain my lab has been doing this wrong, are you supposed to let the Free Packet completely dissolve. They make me put the packet in, swirl, and immediately run the DR 1900. Within 10 seconds.

pyroweasel
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Hey, iam buying this one, i can't understand about 10ml sample water before you click zero button. What is it, just water or something else ?

prasetyadimaswardhana