GE Analytical Instruments ©2006 DLM 14291 Rev. A
xii
C
LEANING THE GAS BUBBLER......................................................................................................................... 13-15
CLEANING THE BUBBLER TUBING.................................................................................................................... 13-16
CLEANING OF THE IFD FILTER ....................................................................................................................... 13-16
Long-term maintenance of the purge vessel and bubbler.......................................................... 13-17
14. OTHER LIQUID MEASUREMENT TECHNIQUES............................................................................ 14-1
MEASUREMENT OF NITROSOTHIOLS ...................................................................................................................14-1
Cu(I)/Cysteine Reagent....................................................................................................................... 14-1
Preparation of Reducing Agent.......................................................................................................................14-1
Preparation of Nitrosothiols Standards..........................................................................................................14-2
Copper(I)/Iodide/Iodine Reagent...................................................................................................... 14-2
Preparation of the Reducing Agent................................................................................................................14-2
Preparation of S-Nitroso-Albumin...................................................................................................................14-3
Treatment of Plasma Samples ........................................................................................................................14-3
MEASUREMENT OF IRON-BOUND NO ................................................................................................................. 14-3
HEADSPACE MEASUREMENT OF NITRIC OXIDE ....................................................................................................14-4
Apparatus for Headspace Analysis.................................................................................................... 14-5
Sample Collection................................................................................................................................ 14-5
Preparation of Standards for Headspace......................................................................................... 14-6
DYNAMIC HEADSPACE ANALYSIS........................................................................................................................ 14-7
15. MAINTENANCE.................................................................................................................................15-1
CHANGING THE VACUUM PUMP OIL .................................................................................................................. 15-1
CHANGING THE HOPCALITE TRAP..................................................................................................................... 15-4
CLEANING THE CHEMILUMINESCENCE REACTION CELL.........................................................................................15-5
VACUUM TEST .............................................................................................................................................. 15-10
RESET THE CELL CLEANING TIMER..................................................................................................................15-10
LIGHT LEAK TEST..........................................................................................................................................15-10
COOLER MAINTENANCE.................................................................................................................................. 15-11
TESTING AND CLEANING THE FLOW RESTRICTOR FRIT...................................................................................... 15-13
GAS SAMPLING PARTICLE FILTER.................................................................................................................... 15-14
SECURITY ..................................................................................................................................................... 15-14
16. TROUBLESHOOTING....................................................................................................................... 16-1
ERRORS..........................................................................................................................................................16-1
POSSIBLE ERRORS AND REMEDIES...................................................................................................................... 16-2
E 01 – Setup Data Corrupted, Check Before Running .................................................................... 16-2
E 02 – Cell Pressure was Above the Limit........................................................................................ 16-2
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