Maintenance - Hach Micro Dist Manuel D'utilisation

Methods of determination
Method
Cyanide-1
Cyanide-2
Cyanide-3 (WAD)
Cyanide-5
Phenolics-1
Sulfide-1
Sulfide-2
Ammonia-1: Phenate
Method/ISE
Ammonia–2:
Nesslerization Method
Tritium-1

Maintenance

Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
Do not disassemble the instrument for maintenance. If the internal components must be cleaned or repaired,
contact the manufacturer.
Clean the instrument
Burn hazard. Turn off power and allow the instrument to cool before this procedure.
20 English
Matrix and chemistry
Waters, solids, strong acid
dissociable (SAD), total
cyanide
Caustic extracts, SAD,
total cyanide
Waters, solids, weak acid
dissociable (WAD)
Waters, solids, SAD (total
cyanide) in the presence
of sulfide
Waters, solids, 4–AATP
Waters, iodometric
determination
Waters/MTB colorimetric
determination
Waters, phenate
colorimetric or ISE
determination
Waters, solids,
Nesslerization
Contaminated waters,
solids
C A U T I O N
N O T I C E
C A U T I O N
Solution
Original sample volume,
but now in 0.25 M NaOH
Original sample volume,
but now in 0.25 M NaOH
and 0.8 mM Pb
—
Original sample volume,
but now in sulfide (ZnS)
Original sample volume,
but now in 0.25 M NaOH
Original sample volume,
but now in 0.003 M
sulfuric acid
Original sample volume,
but now in 0.043 M boric
acid solution
—
QuikChem Method
10–204–00–1–X or
10-204-00-1-X2
10–204–00–1–W
10–204–00–1–WX
10–204–00–1–X
10–210–00–1–X
No QuikChem Method
Use an EPA Method:
• SW–846 Method 9030,
Revision 1 (Dec. 1987)
• Method 376.1
10–116–29–1–X
10–107–06–1–X
No QuikChem Method.
Use standard methods.
—