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Table 1 Physicochemical water properties and further sampling information from selected time points during time-course analyses of natural mineral waters 1 and 2 after bottling

From: Bottled aqua incognita: microbiota assembly and dissolved organic matter diversity in natural mineral waters

  Unit Water 1 Water 2
Year 2011 Year 2012 Year 2011 Year 2012
Day 1a Day 28a Well day 1a Day 1a Day 28a Day 1a Day 28a Well day 1a Day 1a Day 28a
Day of bottling Date 19/04/2011 19/04/2011 08/03/2012 08/03/2012 08/03/2012 02/05/2011 02/05/2011 10/04/2012 10/04/2012 10/04/2012
pH – 7.3 7.3 7.1 7.3 7.3 7.3 7.4 7.0 n.a. 7.5
Conductivityb μS/cm 1085 1077 n.a. n.a. n.a. 708 707 n.a. n.a. n.a.
Temperature °C 22.2 ± 0.7 23.2 ± 0.1 22.5 22.9 ± 0.2 22.8 ± 0.1 20.2 ± 0.8 22.2 ± 0.2 21.1 n.a. 22.7 ± 0.2
Total alkalinity °F 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 n.a. 0.0
TACc °F 34.9 34.9 34.8 34.9 35.2 36.4 36.5 36.9 n.a. 36.5
Total hardness °F 27.25 27.08 ± 0.14 n.a. n.a. n.a. 37.00 37.08 ± 0.14 n.a. n.a. n.a.
DOCd mg L−1 < 0.05 0.05 0.06 ± 0.01 0.05 ± 0.01 < 0.05 1.19 ± 0.02 1.25 ± 0.03 0.95 ± 0.01 0.92 ± 0.02 0.83 ± 0.03
O2 mg L−1 n.a. 9.5 ± 0.1 n.a. 6.9 ± 0.0 7.9 ± 0.3 18.0 ± 2.1 n.a. n.a. 12.9 ± 0.5 10.2 ± 0.04
NO3 − mg L−1 1.50 1.50 n.a. n.a. n.a. 1.70 1.63 ± 0.06 n.a. n.a. n.a.
PO4 3− mg L−1 < 0.01 < 0.01 n.a. n.a. n.a. 0.04 0.05 ± 0.01 n.a. n.a. n.a.
SO4 2− mg L−1 137 ± 1 142 ± 1 n.a. n.a. n.a. 12.0 12.0 n.a. n.a. n.a.
SeO4 2− μg L−1 1.2 ± 0.0 1.1 ± 0.0 1.1 1.1 ± 0.0 1.2 ± 0.0 < 0.10 < 20090.10 n.a. n.a. n.a.
Cl− mg L−1 59.2 ± 0.3 58.8 ± 0.3 n.a. n.a. n.a. 10.3 ± 0.1 10.7 ± 0.1 n.a. n.a. n.a.
SiO2 mg L−1 13.3 ± 0.2 13.6 ± 0.1 n.a. n.a. n.a. 34.4 ± 0.4 33.8 ± 0.4 n.a. n.a. n.a.
Ca2+ mg L−1 73 73.7 ± 0.6 n.a. n.a. n.a. 112.7 ± 0.6 114.7 ± 1.2 n.a. n.a. n.a.
Mg2+ mg L−1 22.1 ± 0.1 21.2 ± 0.3 n.a. n.a. n.a. 21.6 ± 0.2 20.7 ± 0.3 n.a. n.a. n.a.
Na+ mg L−1 138 ± 2 141 ± 1 141 141 ± 1 131 ± 1 10.5 ± 0.1 10.3 ± 0.1 10.6 n.a. 9.8 ± 0.1
K+ mg L−1 7.3 ± 0.0 7.4 ± 0.1 7.6 7.7 ± 0.1 7.4 ± 0.1 3.8 ± 0.0 3.5 ± 0.1 3.6 n.a. 3.6 ± 0.1
Se μg L−1 1. ± 0.0 1.3 ± 0.0 1.4 n.a. n.a. < 0.25 < 0.25 < 0.25 n.a. < 0.25
  1. See Additional file 1: Tables S1 and S2 for extended versions of this table with all sampling time points
  2. aDays of storage of freshly bottled water or after sampling of well water
  3. bMeasured at 25 °C
  4. cTAC template assisted crystallization (assessment of water hardness)
  5. dDOC dissolved organic carbon
  6. n.a. not analyzed
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