Hach DR2400 Manual page 497

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Table of Contents

Install the 16-mm

Note: See Section 2.6 in the

Instrument Manual for

installation details.

Wipe the reagent blank

and place it into the

Blanks for Colorimetric Measurement

Interferences

NitrogenTot_TNT_High_PSD_Eng_Ody.fm

The display will show:

The reagent blank may be used repeatedly for measurements using the same lots

of reagents. Store the reagent blank in the dark at room temperature (18–25 °C)

for a maximum of seven days. If a small amount of white floc appears prior to

the end of one week, discard the reagent blank and prepare a new one.

The substances in Table 1 have been tested and found not to interfere up to the

indicated levels (in mg/L). Interfering substances that resulted in a

concentration change of ±10% appear in Table 2.

Table 1 Non-interfering Substances

Organic Carbon

Wipe the reagent vial

and place it into the

Maximum Level Tested

Nitrogen, Total

Results will appear in

Nitrogen, Total