HI93749-03 реагенты на хром, низкие концентрации, 300 тестов

Краткое описание:

The HI93749-03 are reagents for the colorimetric determination of hexavalent chromium (Cr^ƴ) using a compatible benchtop or portable photometer. These high quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each bottle for traceability.

Pre-made reagents for ease of use

Prepared with high purity chemicals

Marked with expiration date and lot number for traceability

Package: sachets
Quantity: 300
Method: Adaptation of the ASTM Manual of Water and Environmental Technology, D1687-92, diphenylcarbohydrazide method. The reaction between chromium and the reagent causes a purple tint in the sample.