DR/2400
Hydrazine
Hydrazine_AccuVac_Other_PDA_Eng_Ody.fm Page 1 of 4
• Samples cannot be preserved and must be analyzed immediately.
• Sample temperature should be 21 ±4 °C (70 ±7 °F).
• After adding the HydraVer
®
2 Hydrazine Reagent, a yellow color will develop in the sample if hydrazine is present. The blank may
also have a faint yellow color.
• The final samples will have a pH less than 2, which is considered corrosive (0002) by the Federal RCRA.
Hydrazine
Method 8141
p-Dimethylaminobenzaldehyde Method*
*Adapted from ASTM Manual of Industrial Water, D1385-78, 376 (1979)
Reagent Solution or AccuVac
®
Ampuls
(4 to 600 µg/L)
Scope and Application: For boiler water/feedwater, water, and seawater
1. Touch
Hach Programs.
Select program
231 Hydrazine.
Touch
Start.
2. Use a graduated
cylinder to pour 10 mL of
deionized water into a
round sample cell
(the blank).
3. Use a graduated
cylinder to pour 10 mL of
sample into a round
sample cell (the prepared
sample).
4. Add 0.5 mL of
HydraVer 2 Hydrazine
Reagent to each sample
cell. Swirl to mix.
Tips and Techniques
10 mL
Reagent Solution Method 8141
Hach Programs
10 mL 10 mL 10 mL 10 mL
To Next Page
Loading...
