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Chemetrics K-4605 Chemets formaldehyde kit

$158.40

Chemetrics Chemets formaldehyde visual kit using Purpald method. Formaldehyde, a toxic substance, is used in the following applications: metal plating baths, textile treatments, biological specimen preservatives, and disinfectants of medical equipment. Commercial formaldehyde gas is readily soluble in water.

Purpald? developed by Aldrich Chemical Co. Purpald? is subject to fewer interferences than Shiffs? reagent or chromotropic acid procedures. A purplecolored complex is formed when Purpald in alkaline solution reacts with formaldehyde. Results are expressed as ppm (mg/L) CH2O.

Shelf-life of the Purpald Reagent: six months. We recommend stocking quantities that will be used within five months. Refrigeration will dramatically extend the shelf-life of these products.

Low Range 0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm. High Range 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0 ppm.

Kit comes in a plastic case and contains everything needed to perform 30 tests (except distilled water): Refill, Low and High Range Comparators, Activator Solutions, 25 mL sample cup, instructions, and MSDS.


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  • Shipping Weight: 0.25Kg
  • 10 Units in Stock


This product was added to our catalog on Tuesday 30 November, 1999.

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