Applitek has been acquired by ...

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Applitek has been acquired by Hach and these analyzers are now marketed as EZ Analyzers.  The method for the EZ7700 Total Nitrogen analyzer utilizes a colorimetric measurement at 546 nm using hydrazine reduction and NEDD colour solution after persulphate digestion in alkaline medium, conforming with APHA 4500-N,  Additional information can be found at www.hach.com or through your local Hach representative.