Stage 3: Sample Preparation
Stage 4: Arsenic Measurement
Stage 5: Using the DigiPAsS
Take
fl
ask and
fi
ll to the 50ml line
with sample water and place on
fi
rm a surface.
Immediately push down bung device
fi
rmly into the
fl
ask.
Wait approximately 20 minutes (refer to timer on the DigiPAsS).
After 20 minutes remove black slide and proceed to stage 4.
Remove Black Filter Slide
from Bung device.
If visual reading is LESS than
100µg/l ppb). Insert Black Arsenic
Filter Slide into DigiPAsS.
Observe and Record result in µg/l
(micrograms per litre). If preferred
record in (ppb) i.e 38µg/l = 38 ppb.
Finally open both Filter Slides and remove Filter Paper
from slide holders and dispose of in waste bag provided.
Record corresponding Colour. Match from colour chart
to obtain result in µg/l (ppb).
If test result reads above 500µg/l (ppb) use dilution
tube with de-ionised water and convert accordingly.
Then go back to stage 1 and do test again.
Black Filter Slide will
collect the Arsenic gas.
Red Filter Slide removes
excess Arsine gas.
For running concurrent multiple
tests use DigiPAsS Multipack
(X5
fl
asks & X5 bung devices).
Take A1 powder sachet and
pour into the
fl
ask.
Pick up loaded bung device and check
fi
lter slides are fully pushed into bung.
Take tablet A2 from container and drop
carefully into the
fl
ask, sample will start to
fi
zz.
50ml
A
1
A2
#
*
X5
X2
X3
X4
X1
#
*
µg/l
e mail: [email protected] website: www.palintest.com
If you have any enquiries regarding the DigiPAaS please contact Palintest’s nearest local in country agent or at the above e-mail address.