This article defines what a project charter is and why it is important. The project charter is a document that identifies your project vision and creates a fluid path for your project team. Identifying your objectives, stakeholders, methods, parameters, risks, and resources launches you on your way to project success.
The DPD is a method that uses colorimetric detection as a means to measure the amount of chlorine in a system. It stands for N,N-diethyl-p-phenylendiamine sulfate and the reaction between DPD and active halogens is what is detected and measured.
The addition of DPD to water samples containing oxidizers such as free chlorine, bromine, iodine, chlorine dioxide and/or permanganate results in the formation of a reddish tint to the water whose intensity directly relates to the amount of oxidizer(s) present in the water sample.elow please find an EPA Compliant meter which make use of DPD chemistry for chlorine concentration determination: 1  eXact Micro 7+ Water Quality Testing Meter â EPA Compliant for free and total chlorine when used in conjunction with a DPD-based reagent system. 2  Handheld multi-parameter water quality testing meter.