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Chemistry
Water Chemistry
Water Parameters
11 Sections
48 Lessons
52 Weeks
Curriculum
11 Sections
48 Lessons
52 Weeks
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Section 1: Sampling
1 Item
2.1
Sampling
1 Minute
Section 2: Water Quality Standards
1 Item
3.2
SANS 241 Water Quality Standards
10 Minutes
Section 3: Water Parameters Explained
0 Items
Section 4: Biological Parameters
6 Items
5.2
Escherichia coli (E. coli)
3 Minutes
5.3
Total Coliforms count
5 Minutes
5.4
Thermotolerant (faecal) coliform bacteria
5 Minutes
5.5
Heterotrophic Plate Count
10 Minutes
5.6
Cryptosporidium Species
5.7
Gardia Species
Section 5: Disinfectant residuals
2 Items
6.2
Chlorine – Residual
6.3
Monochloramine
10 Minutes
Section 6: Physical and organoleptic requirements
6 Items
7.2
Colour
3 Minutes
7.3
Conductivity
2 Minutes
7.4
Total Dissolved solids
5 Minutes
7.5
Taste and Odour
5 Minutes
7.6
pH
3 Minutes
7.7
Turbidity
5 Minutes
Section 7: Chemical requirements — organic determinand
4 Items
8.2
Dissolved organic carbon as C
1 Minute
8.3
Total Kjeldahl Nitrogen (TKN)
1 Minute
8.4
Organohalogens
20 Minutes
8.5
Phenols
1 Minute
Section 8: Chemical requirements — macro-determinand
9 Items
9.2
Ammonia
5 Minutes
9.3
Calcium and Magnesium
10 Minutes
9.4
Chloride
5 Minutes
9.5
Fluoride
3 Minutes
9.6
Nitrate and Nitrite
2 Minutes
9.7
Potassium
1 Minute
9.8
Sodium
3 Minutes
9.9
Sulfate
5 Minutes
9.10
Zinc
3 Minutes
Section 9: Chemical requirements — micro-determinand
17 Items
10.2
Aluminium
20 Minutes
10.3
Antimony
1 Minute
10.4
Arsenic
2 Minutes
10.5
Barium
1 Minute
10.6
Boron
1 Minute
10.7
Cadmium
5 Minutes
10.8
Chromium
3 Minutes
10.9
Cobalt
10.10
Copper
3 Minutes
10.11
Cyanide
1 Minute
10.12
Iron
1 Minute
10.13
Lead
2 Minutes
10.14
Manganese
10 Minutes
10.15
Mercury
5 Minutes
10.16
Nickel
5 Minutes
10.17
Selenium
12 Minutes
10.18
Vanadium
2 Minutes
Section 10: Other parameters
1 Item
11.2
Langelier Index (LI)
10 Minutes
References
1 Item
12.2
Water parameters references
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