Thermo Fisher Scientific Ion Selective Electrodes Sodium - Manual (Page 2)

Sodium Electrode Instruction Manual
2
TABLE OF CONTENTS
GENERAL INSTRUCTIONS .......................................................................................................... 1
R EQUIRED E QUIPMENT ..................................................................................................................................1
R EQUIRED S OLUTIONS ..................................................................................................................................1
GENERAL PREPARATION............................................................................................................ 2
E LECTRODE P REPARATION ............................................................................................................................2
E LECTRODE S LOPE C HECK ( WITH P H/ M V METER ) .......................................................................................2
E LECTRODE S LOPE C HECK ( WITH ION METER ) .............................................................................................2
MEASUREMENT.............................................................................................................................. 3
M EASURING H INTS ........................................................................................................................................3
S AMPLE R EQUIREMENTS ...............................................................................................................................3
U NITS OF M EASUREMENT .............................................................................................................................3
MEASUREMENT PROCEDURE ................................................................................................... 4
D IRECT M EASUREMENT ................................................................................................................................4
D IRECT M EASUREMENT OF S ODIUM ( USING A P H/ M V METER ) ....................................................................4
D IRECT M EASUREMENT OF S ODIUM ( USING AN ION METER )........................................................................5
L OW L EVEL S ODIUM D ETERMINATION ( USING A P H/ M V METER ) ................................................................6
L OW L EVEL S ODIUM D ETERMINATION ( USING AN ION METER ) ...................................................................7
ELECTRODE CHARACTERISTICS............................................................................................. 7
R EPRODUCIBILITY .........................................................................................................................................7
I NTERFERENCE ..............................................................................................................................................7
T EMPERATURE I NFLUENCES ..........................................................................................................................8
E LECTRODE R ESPONSE ..................................................................................................................................8
L IMITS OF D ETECTION ...................................................................................................................................9
P H E FFECTS ...................................................................................................................................................9
E LECTRODE L IFE .........................................................................................................................................10
E LECTRODE S TORAGE .................................................................................................................................10
ELECTRODE THEORY ................................................................................................................ 10
E LECTRODE O PERATION .............................................................................................................................10
TROUBLESHOOTING GUIDE .................................................................................................... 11
M ETER .........................................................................................................................................................11
G LASSWARE ................................................................................................................................................11
E LECTRODES ...............................................................................................................................................11
S TANDARDS AND R EAGENTS .......................................................................................................................12
S AMPLE .......................................................................................................................................................12
T ECHNIQUE ..................................................................................................................................................12
TROUBLESHOOTING HINTS..................................................................................................... 13
SPECIFICATIONS.......................................................................................................................... 14
ORDERING INFORMATION....................................................................................................... 14