HP 5973 Hardware Manual page 99

Chemical residue is another potential danger
Only a small portion of your sample is ionized by the ion source. The
majority of any sample passes through the ion source without being ionized.
It is pumped away by the vacuum system. As a result, the exhaust from the
foreline pump will contain traces of the carrier gas and your samples. It will
also contain tiny droplets of foreline pump oil.
An oil trap is supplied with the foreline pump. This trap stops
oil droplets. It
solvents or analyzing toxic chemicals, do not use the oil trap. Instead, install
a hose to take the exhaust from the foreline pump outdoors or into a fume
hood vented to the outdoors. Be sure to comply with your local air quality
regulations.
: $ 5 1 , 1 * 7KH RLO WUDS VWRSV RQO\ IRUHOLQH SXPS RLO ,W GRHV QRW WUDS RU ILOWHU RXW WR[LF FKHPLFDOV ,I \RX
DUH XVLQJ WR[LF VROYHQWV RU DQDO\]LQJ WR[LF FKHPLFDOV UHPRYH WKH RLO WUDS 'R QRW XVH WKH WUDS
LI \RX KDYH D &, 06' ,QVWDOO D KRVH WR WDNH WKH IRUHOLQH SXPS H[KDXVW RXWVLGH RU WR D IXPH
KRRG
The fluids in the diffusion pump and foreline pump also collect traces of the
samples being analyzed. All used pump fluid should be considered hazard-
ous and handled accordingly. Dispose of used fluid correctly, as specified
by your local regulations.
: $ 5 1 , 1 * :KHQ UHSODFLQJ SXPS IOXLG XVH DSSURSULDWH FKHPLFDOUHVLVWDQW JORYHV DQG VDIHW\ JODVVHV
$YRLG DOO FRQWDFW ZLWK WKH IOXLG
trap any other chemicals. If you are using toxic
does not
Maintaining the MSD
4
pump
only
99