Operating instructions

4. Calibration page 41
Mercury Instruments UT-3000-E_V2.11.docx 31.07.12
Analytical Technologies
The calibration is linear over a wide range up to ca. 5000 pg Hg absolutely (equivalent to
5 µg/m³ for 1 litre sample volume or 0.5 µg/m³ for a 10 l sample volume). Above this range the
calibration is automatically calculated using a polynomial function which is useful up to ca.
15000 pg Hg (equivalent to 15 µg/m³ for a 1 litre sample volume).
Calibration UT-3000
06.12.2002 / Trap # 230
y = 0,0001x + 0,0005
R
2
= 0,9998
0
0,01
0,02
0,03
0,04
0,05
0,06
0,07
0 100 200 300 400 500 600 700
Calibration gas injected Hg [ pg]
Absorbance signal
F IGURE : C ALIBRATION GRAPH FOR 0 … 600 PG H G RANGE
Calibration UT-3000
06.12.2002 / Trap # 230
y = 9E-05x + 0,0079
R
2
= 0,9995
0
0,05
0,1
0,15
0,2
0,25
0,3
0 500 1000 1500 2000 2500 3000 3500
Calibration gas injected Hg [ pg]
Absorbance signal
F IGURE : C ALIBRATION GRAPH FOR 500 …3000 PG H G RANGE