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Table 3

Physicochemical and biological analyses for bottled water

Sample location/typeNO2NO3ClSO42–FNa+Fe²+pHTDSColourTurb.Hard.CuZnCd, Ni, Cr, Mn, pb,E. coli
Limit of SASO3 mg/L50 mg/L250 mg/L250 mg/L1.5–0.6 mg/L200 mg/L0.3 mg/L6.5–8.5500 mg/L15 TCU5 NTU100 mg/L100 ppb3,000 ppbAs, Ag, Ba ppb0 (No.)
Brand 1 0.003 1.1 50 8.1 1.15 7.8 0.03 7.66 75 1.66 1.56 51 LLOQ LLOQ LLOQ 
Brand 2 0.003 0.18 33 49 0.88 6.59 106 0.58 0.48 88 LLOQ LLOQ LLOQ 
Brand 3 0.005 1.4 52 28.3 1.53 5.2 6.84 108 0.95 0.85 200 LLOQ LLOQ LLOQ 
Brand 4 55 66.8 1.04 2.6 0.02 6.5 92 0.65 0.55 172 LLOQ LLOQ LLOQ 
Big Bottle 1 0.003 1.1 50 8.1 1.15 7.8 0.03 7.66 75 1.66 1.56 51 LLOQ LLOQ LLOQ 
Dispenser 1 0.003 0.9 38 8.3 0.89 8.4 0.03 7.54 31 0.86 0.76 49 LLOQ LLOQ LLOQ 
Big Bottle 2 0.003 1.4 39 8.1 0.8 6.5 0.03 7.92 56 3.10 1.75 43 LLOQ LLOQ LLOQ 
Dispenser 2 0.003 1.2 32 8.3 0.71 7.4 0.03 7.84 28 2.83 0.96 41 LLOQ LLOQ LLOQ 
Big Bottle 3 0.002 0.7 95 68.4 2.23 8.5 0.02 6.22 106 0.61 0.51 77 LLOQ LLOQ LLOQ 
Dispenser 3 0.001 0.4 88 65 2.34 10 0.02 6.1 121 0.96 0.59 70 LLOQ LLOQ LLOQ 
Sample location/typeNO2NO3ClSO42–FNa+Fe²+pHTDSColourTurb.Hard.CuZnCd, Ni, Cr, Mn, pb,E. coli
Limit of SASO3 mg/L50 mg/L250 mg/L250 mg/L1.5–0.6 mg/L200 mg/L0.3 mg/L6.5–8.5500 mg/L15 TCU5 NTU100 mg/L100 ppb3,000 ppbAs, Ag, Ba ppb0 (No.)
Brand 1 0.003 1.1 50 8.1 1.15 7.8 0.03 7.66 75 1.66 1.56 51 LLOQ LLOQ LLOQ 
Brand 2 0.003 0.18 33 49 0.88 6.59 106 0.58 0.48 88 LLOQ LLOQ LLOQ 
Brand 3 0.005 1.4 52 28.3 1.53 5.2 6.84 108 0.95 0.85 200 LLOQ LLOQ LLOQ 
Brand 4 55 66.8 1.04 2.6 0.02 6.5 92 0.65 0.55 172 LLOQ LLOQ LLOQ 
Big Bottle 1 0.003 1.1 50 8.1 1.15 7.8 0.03 7.66 75 1.66 1.56 51 LLOQ LLOQ LLOQ 
Dispenser 1 0.003 0.9 38 8.3 0.89 8.4 0.03 7.54 31 0.86 0.76 49 LLOQ LLOQ LLOQ 
Big Bottle 2 0.003 1.4 39 8.1 0.8 6.5 0.03 7.92 56 3.10 1.75 43 LLOQ LLOQ LLOQ 
Dispenser 2 0.003 1.2 32 8.3 0.71 7.4 0.03 7.84 28 2.83 0.96 41 LLOQ LLOQ LLOQ 
Big Bottle 3 0.002 0.7 95 68.4 2.23 8.5 0.02 6.22 106 0.61 0.51 77 LLOQ LLOQ LLOQ 
Dispenser 3 0.001 0.4 88 65 2.34 10 0.02 6.1 121 0.96 0.59 70 LLOQ LLOQ LLOQ 

LLOQ, The lower limit of quantitation.

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