FIAlab's novel ammonia/TKN method receives full EPA authorized status!
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- The cadmium column for nitrate determination is used in nitrate analysis for reducing nitrate to nitrite. Figure 1 shows the cadmium column and column tubing assembly. We recommend always using a switching valve with your cadmium column, in order to isolate the column from unbuffered solutions and extend its lifetime. Figures 2 and 3 show the use of a switching valve.
- Cadmium Column Manual
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