ALS Product catalogues WATER | Page 26
Radiometric analysis
Parameter
LOQ Sample volume
total indicative dose (TID) - estimation 0.03 mSv/r plastic, 1000 ml
total indicative dose (TID)
– drinking water - calculation 0.03 mSv/r plastic, 1000 ml
gross alpha activity 0.05 Bq/l plastic, 1000 ml
gross alpha activity - precipitation method
(dissolved matters >500 mg/l) 0.05 Bq/l plastic, 1000 ml
gross alpha activity
gross beta activity after correction for K-40 0.05 Bq/l
0.10 Bq/l plastic, 2000 ml
gross alpha activity
gross beta activity after correction for K-40
tritium 0.05 Bq/l
0.10 Bq/l
10 Bq/l plastic, 2000 ml
gross beta activity 0.10 Bq/l plastic, 1000 ml
gross beta activity after correction for K-40 0.10 Bq/l plastic, 1000 ml
lead-210 0.05 Bq/l plastic, 1000 ml
plutonium-239 0.001 Bq/l plastic, 250 ml
polonium-210 0.05 Bq/l plastic, 1000 ml
radium-226 0.03 Bq/l plastic, 1000 ml
radium-228 0.05 Bq/l plastic, 2000 ml
5 Bq/l plastic, 330 ml –
without air bubble*
radon-222
rubidium-87 0.001 Bq/l plast, 100 ml
stroncium-90 0.05 Bq/l plastic, 1000 ml
stroncium - 90 - low limit 0.02 Bq/l plastic, 2000 ml
tritium - low limit 2 Bq/l plastic, 100 ml
tritium (LOQ 5 Bq/l) 5 Bq/l plastic, 100 ml
tritium 10 Bq/l plastic, 100 ml
carbon C-14 0.5 Bq/l plastic, 1000 ml
2 µg/l, resp.
0.025 Bq/l U-238 plastic, 500 ml
total uranium (photometry)
calculation of U-238 activity
*For radon 222 a calibrated container is necessary.
Note:
Please contact your local sales representative for detailed information on
sampling and preservation.
Gamma spectrometry – artificial radionuclides
Parameter
LOQ (Bq/l)
cesium 134 0.05
cesium 137 0.05
Minimum sample volume:
Method:
Parameter
iodine 131
LOQ (Bq/l)
0.05
plastic, 1000 ml
high resolution gamma spectrometry
Natural isotopes of uranium
Parameter
LOQ (Bq/L)
uranium 238 0.001
uranium 235 0.001
Parameter
uranium 234
LOQ (Bq/L)
0.001
Minimum sample volume:
plastic, 20 ml
Method: ICP-SFMS
Natural isotopes of thorium
Parameter
thorium 232
Minimum sample volume:
Method:
26
LOQ (Bq/L)
0.001
Parameter
thorium 230
LOQ (Bq/L)
0.004
plastic, 20 ml
ICP-SFMS
Product catalogue Water
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