DR/2400
Nickel
Nickel_PP_Other_PAN_Eng_Ody.fm Page 1 of 6
• Cobalt concentration can be determined with the same sample by using Program Number 110.
• Wipe the outside of sample cells before each insertion into the instrument cell holder. Use a damp towel followed by a dry one to
remove fingerprints or other marks.
Nickel
Method 8150
1-(2 Pyridylazo)-2-Napthol (PAN) Method*
* Adapted from Watanabe, H., Tal anta , 21 295 (1974)
Powder Pillows
(0.007 to 1.000 mg/L)
Scope and Application: For water and wastewater; digestion is required for determining total nickel
1. Touch
Hach Programs.
Select program
340 Nickel, PAN.
Touch
Start.
2. Fill a sample cell to
the 10-mL mark with
sample (this is the
prepared sample).
3. Fill another sample
cell to the 10-mL mark
with deionized water
(this is the blank).
4. Add the contents of
one Phthalate-Phosphate
Reagent Powder Pillow
to each cell. Cap.
Immediately shake to
dissolve.
If the sample contains
iron, make sure that all the
powder is dissolved
before proceeding to
step 5.
Tips and Techniques
Powder Pillows Method 8150
Hach Programs
10 mL
10 mL10 mL
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