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Table-1 Evaluation of Physico-Chemical Water Quality Parameters of
Bottled Water Samples |
|
Sr. No. |
Parameters |
Unit |
WQ Guidelines & Standards |
Sparklets |
Nestle |
AVA |
Natural |
|
PSQCA |
IBWA |
WHO |
Label |
Act. |
%* |
Label |
Act. |
%* |
Label |
Act. |
%* |
Label |
Act. |
%* |
|
1 |
Alkalinity |
m.mol/l |
NGVS |
NGVS |
NGVS |
- |
5 |
- |
- |
2 |
- |
- |
0.6 |
- |
- |
3.6 |
- |
|
2 |
Bicarbonate |
mg/l |
NGVS |
NGVS |
NGVS |
180 |
250 |
-38.88 |
80-120 |
100 |
0 |
37 |
30 |
-18.92 |
- |
190 |
- |
|
3 |
Calcium |
mg/l |
200 |
NGVS |
NGVS |
55 |
28 |
49.09 |
45-60 |
44 |
-2.22 |
22 |
22 |
0 |
60-85 |
30 |
-50 |
|
4 |
Carbonate |
mg/l |
NGVS |
NGVS |
NGVS |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
|
5 |
Chloride |
mg/l |
250 |
250 |
250 |
3 |
7 |
-133.3 |
- |
60 |
- |
47 |
46 |
-2.13 |
18-50 |
7 |
-61.1 |
|
6 |
Colour |
TCU |
NGVS |
NGVS |
15 |
- |
Less |
- |
- |
Less |
- |
- |
Less |
- |
- |
Less |
- |
|
7 |
E.Conductivty |
mS/cm |
NGVS |
NGVS |
NGVS |
- |
471 |
- |
- |
380 |
- |
- |
204 |
- |
- |
424 |
- |
|
8 |
Fluoride |
mg/l |
1.5 |
3 |
1.5 |
0.12 |
0.11 |
8.33 |
0.25-0.5 |
0.37 |
74 |
- |
0.03 |
- |
0.25-0.35 |
0.1 |
-60 |
|
9 |
Hardness |
mg/l |
500 |
NGVS |
NGVS |
- |
90 |
- |
- |
140 |
- |
- |
70 |
- |
140 |
130 |
-7.14 |
|
10 |
Iron |
mg/l |
NGVS |
0.3 |
0.3 |
- |
Nil |
- |
- |
6E-04 |
- |
- |
Nil |
- |
- |
Nil |
- |
|
11 |
Magnesium |
mg/l |
100 |
NGVS |
NGVS |
17 |
4.9 |
71.17 |
5.0-10.0 |
7.3 |
0 |
6 |
3.6 |
-40 |
15-25 |
13 |
-13.3 |
|
12 |
Nitrate (N) |
mg/l |
10 |
10 |
50 |
- |
3.3 |
- |
- |
0.5 |
- |
- |
0.73 |
- |
- |
0.34 |
- |
|
13 |
Odour |
- |
NGVS |
NGVS |
O.Less |
- |
Less |
- |
- |
Less |
- |
- |
Less |
- |
- |
Less |
- |
|
14 |
pH |
- |
7.5-8.5 |
NGVS |
6.5-8.5 |
7.7 |
7.4 |
3.89 |
- |
7.6 |
- |
7.1 |
6.4 |
-9.86 |
7.4 |
8.1 |
9.46 |
|
15 |
Potassium |
mg/l |
30 |
NGVS |
NGVS |
- |
0.7 |
- |
- |
0.9 |
- |
8 |
8.2 |
2.5 |
3-5 |
0.6 |
-80 |
|
16 |
Sodium |
mg/l |
30 |
NGVS |
200 |
- |
70 |
- |
10-20 |
18 |
0 |
10 |
6 |
-40 |
20-25 |
38 |
52 |
|
17 |
Sulfate |
mg/l |
400 |
250 |
250 |
11 |
11 |
0 |
5-10 |
6 |
0 |
- |
Nil |
- |
15-25 |
36 |
44 |
|
18 |
Taste |
- |
NGVS |
NGVS |
Unobj. |
- |
Unobj. |
- |
- |
Unobj. |
- |
- |
Unobj. |
- |
- |
Unobj. |
- |
|
19 |
TDS |
mg/l |
1000 |
500 |
1000 |
273 |
283 |
-3.66 |
200-270 |
209 |
0 |
130 |
112 |
13.85 |
260-290 |
239 |
-8.07 |
|
20 |
Turbidity |
NTU |
NGVS |
NGVS |
5 |
- |
Nil |
- |
- |
0.18 |
- |
- |
Nil |
- |
- |
0.03 |
- |
|
21 |
T.Chlorine |
ppm |
NGVS |
NGVS |
5 |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
|
22 |
Free Chlorine |
ppm |
NGVS |
NGVS |
NGVS |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
|
23 |
Coliform |
MPN/100 ml |
Nil |
Nil |
Nil |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
|
24 |
E.Coli |
MPN/100 ml |
Nil |
Nil |
Nil |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
|
25 |
Phosphate |
mg/l |
NGVS |
NGVS |
NGVS |
- |
0.06 |
- |
- |
0.03 |
- |
- |
0.03 |
- |
- |
0.14 |
- |
|
26 |
Arsenic |
µg/l |
10 |
10 |
10 |
- |
0.8 |
- |
- |
9.5 |
- |
- |
0.1 |
- |
- |
14 |
- |
|
27 |
Lead |
µg/l |
10 |
5 |
10 |
- |
0.1 |
- |
- |
0 |
- |
- |
0.1 |
- |
- |
0.1 |
- |
|
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Label: Values on Bottle Label |
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Act.: Actual Value |
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%*: Percentage difference between claimed and actual value |
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NGVS: No Guideline Value Set |
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IBWA: Int'l Bottled Water Association |
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PSQCA: Pakistan Standards Quality Control Authority |
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WHO: World Health Organization |
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Values of Chemical Analysis of Bottled Water Samples |
|
Sr. No. |
Parameters |
Unit |
WQ Guidelines & Standards |
Everest |
Bahrain |
Pearl |
OAS |
|
PSQCA |
IBWA |
WHO |
Label |
Act. |
%* |
Label |
Act. |
%* |
Label |
Act. |
%* |
Label |
Act. |
%* |
|
1 |
Alkalinity |
m.mol/l |
NGVS |
NGVS |
NGVS |
- |
3.4 |
- |
- |
2.2 |
- |
- |
4.6 |
- |
- |
2 |
- |
|
2 |
Bicarbonate |
mg/l |
NGVS |
NGVS |
NGVS |
- |
170 |
- |
91.53 |
90 |
1.67 |
88 |
230 |
-161.4 |
37 |
100 |
-170 |
|
3 |
Calcium |
mg/l |
200 |
NGVS |
NGVS |
24 |
24 |
0 |
- |
18 |
- |
35 |
52 |
-48.57 |
20 |
36 |
-80 |
|
4 |
Carbonate |
mg/l |
NGVS |
NGVS |
NGVS |
- |
Nil |
- |
- |
20 |
- |
- |
Nil |
- |
- |
Nil |
- |
|
5 |
Chloride |
mg/l |
250 |
250 |
250 |
27 |
4 |
85.18 |
19.85 |
13 |
34.5 |
- |
25 |
- |
40 |
6 |
85 |
|
6 |
Colour |
TCU |
NGVS |
NGVS |
15 |
- |
Less |
- |
- |
Less |
- |
- |
Less |
- |
- |
Less |
- |
|
7 |
E.Conductivty |
mS/cm |
NGVS |
NGVS |
NGVS |
- |
360 |
- |
80 |
426 |
-423.5 |
- |
520 |
- |
- |
256 |
- |
|
8 |
Fluoride |
mg/l |
1.5 |
3 |
1.5 |
- |
0.16 |
- |
- |
0.1 |
- |
0.3 |
0.13 |
56.66 |
- |
0.1 |
- |
|
9 |
Hardness |
mg/l |
500 |
NGVS |
NGVS |
- |
90 |
- |
35 |
140 |
-300 |
- |
180 |
- |
- |
120 |
- |
|
10 |
Iron |
mg/l |
NGVS |
0.3 |
0.3 |
- |
Nil |
- |
- |
Nil |
- |
- |
0.006 |
- |
- |
0.003 |
- |
|
11 |
Magnesium |
mg/l |
100 |
NGVS |
NGVS |
15 |
7.3 |
51.33 |
4.8 |
23 |
-379.2 |
10 |
12 |
20 |
7 |
7 |
- |
|
12 |
Nitrate (N) |
mg/l |
10 |
10 |
50 |
- |
0.33 |
- |
2 |
10.11 |
-430.5 |
- |
0.72 |
- |
- |
0.27 |
- |
|
13 |
Odour |
- |
NGVS |
NGVS |
O.Less |
- |
Less |
- |
- |
Less |
- |
- |
Less |
- |
- |
Less |
- |
|
14 |
pH |
- |
7.5-8.5 |
NGVS |
6.5-8.5 |
7.6 |
8.2 |
-7.89 |
6.8 |
8.5 |
-25 |
7.25 |
7.8 |
-7.58 |
7.5 |
7.9 |
-5.33 |
|
15 |
Potassium |
mg/l |
30 |
NGVS |
NGVS |
6 |
1 |
83.33 |
1.5 |
4.8 |
-220 |
0.7 |
1.2 |
71.42 |
8 |
2.2 |
72.5 |
|
16 |
Sodium |
mg/l |
30 |
NGVS |
200 |
26 |
44 |
-69.23 |
12 |
30 |
-150 |
18 |
41 |
-127.8 |
12 |
5 |
58.33 |
|
17 |
Sulfate |
mg/l |
400 |
250 |
250 |
39 |
24 |
38.46 |
11.78 |
45 |
-282 |
12 |
18 |
-50 |
- |
28 |
- |
|
18 |
Taste |
- |
NGVS |
NGVS |
Unobj. |
- |
Unobj. |
- |
- |
Unobj. |
- |
- |
Unobj. |
- |
- |
Unobj. |
- |
|
19 |
TDS |
mg/l |
1000 |
500 |
1000 |
350 |
198 |
43.42 |
52 |
239 |
-359.6 |
200 |
312 |
-56 |
- |
141 |
- |
|
20 |
Turbidity |
NTU |
NGVS |
NGVS |
5 |
- |
Nil |
- |
0.8 |
0.1 |
87.5 |
- |
0.02 |
- |
- |
Nil |
- |
|
21 |
T.Chlorine |
ppm |
NGVS |
NGVS |
5 |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
|
22 |
Free Chlorine |
ppm |
NGVS |
NGVS |
NGVS |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
|
23 |
Coliform |
MPN/100 ml |
Nil |
Nil |
Nil |
- |
Nil |
- |
- |
9 |
- |
- |
9 |
- |
- |
9 |
- |
|
24 |
E.Coli |
MPN/100 ml |
Nil |
Nil |
Nil |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
- |
Nil |
- |
|
25 |
Phosphate |
mg/l |
NGVS |
NGVS |
NGVS |
- |
0.14 |
- |
- |
0.14 |
- |
- |
0.16 |
- |
0.09 |
0.09 |
- |
|
26 |
Arsenic |
µg/l |
50 |
10 |
10 |
- |
29 |
- |
- |
0.68 |
- |
- |
1.8 |
- |
1.7 |
|
- |
|
27 |
Lead |
µg/l |
10 |
5 |
10 |
- |
0 |
- |
- |
0 |
- |
- |
0.1 |
- |
- |
0 |
- |
|
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