The ammonia test kits employing the well-established Nessler reagent to determine ammonia concentrations are applicable to drinking water, clean surfa...
Nitrate is reduced to nitrite using cadmium as the reducing agent. The resulting nitrite concentration is then determined colorimetrically. This metho...
The test kits utilize CHEMetrics TitretsĀ® ampoules. Titrets ampoules use a reverse titration technique to measure analyte concentration levels (titran...
Water hardness is caused almost entirely by calcium and magnesium ions. Other di- and trivalent metals have a similar effect, but usually are not pres...