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Table 4 Water analysis Albenbad

From: Green exercise and mg-ca-SO4 thermal balneotherapy for the treatment of non-specific chronic low back pain: a randomized controlled clinical trial

  Thermal watera Tab water Unit Test procedure
Electric conductivity 2317.5 ± 5 279 μS/cm ÖNORM EN 2788
pH-Value 7.65 ± 0.15 8.02 (−log H+) ÖNORM EN ISO 10523
Acid capacity 2.45 ± 0.01 2.88 mmol/l ÖNORM EN 9963–1
Calcium 284 ± 9.09 34.4 mg/l ÖNORM EN ISO 1185
Magnesium 234.75 ± 7.09 19 mg/l ÖNORM EN ISO 1185
Potassium 1.60 ± 0.08 <  1 mg/l ÖNORM EN ISO 1185
Sodium 3.8575 ± 0.23 <  1 mg/l ÖNORM EN ISO 1185
Total hardness 94 ± 2.94 9.2 °KH ÖNORM EN ISO 1185
Carbonate hardness 6.7 7.9 °KH DIN 38409–6
Iron < 0.01 (1 sample 0.07) < 0.01 μg/l ÖNORM EN 9963–1
Manganese 16.2 ± 4.23 8.88 μg/l ÖNORM EN ISO 1185
Antimony 2.65 ± 0.58 16.7 μg/l ÖNORM EN ISO 1185
Arsenic 26.15 ± 13.37 2.2 μg/l ÖNORM EN ISO 1185
Hydrocarbonate 146.43 ± 0.53 172.7 mg/l ÖNORM EN 9963–1
Chloride 1.17 ± 0.033 <  1 mg/l ÖNORM EN ISO 10304-1
Fluoride 1.1 0.23 mg/l ÖNORM EN ISO 10304-1
Sulphate 1489.25 ± 37.62 20.2 mg/l ÖNORM EN ISO 10304-1
Nitrate <  1 <  1 mg/l ÖNORM EN ISO 10304-1
Ammonium 0.0337 ± 0.01 (1 sample < 0.05) 0.015 mg/l ÖNORM EN ISO 11732
Nitrite < 0,01 0.023 mg/l ÖNORM EN ISO 13395
Phosphate, ortho 0.0195 < 0.01 mg/l ÖNORM EN ISO 15681-2
Total organic carbon < 0,5 1.16 mg/l ÖNORM EN 1484
(1 sample 0.64)
  1. DIN National German standard published by the German Institute for Standardization, ÖNORM EN ISO National Austrian standard published by the Austrian Standards Institute, < BG Less than limit of quantification;
  2. aThermal water was taken in four places (1 sample spring fitting, 2 samples water course, 1 sample faucet Albenbad), mean of the four samples ± SD is shown; if a sample was below limit of quantification and therefore not calculable, this is listed