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Hydrochemical Parameters Of Growing Trout On Water From An Artesian Well

Table 2: Results of analysis of water at the outlet of the fish tank

Quality indicator, units Measurement result MPC for fishery normative documents for the measurement procedure
Organoleptic indicators of water quality
Odor at 20 Сº, points 1 - GOST 3351-74
Color, degrees 3 - GOST 3351-74
Turbidity, EMF 1 - GOST 3351-74
Indicators of the chemical composition of water
Hydrogen exponent (pH) 7,9 6,5-8,5 PND F 14.1: 2: 3: 4.121-97
Hydrocarbonates, mg / l 487 - GOST 31957-2012
Total alkalinity, mmol / l 8 - GOST 31957-2012
Total hardness, coolant 11,2 - GOST 31954-2012
Total mineralization (dry residue), mg / l 477 Не более 1000 PND F 14.1: 2: 4.114-97
Free chlorine, mg / l <0,1 0,00001 MVI 01.00225 / 205-18-11
Total chlorine, mg / l <0,1 - MVI 01.00225 / 205-18-11
Ammonium (nitrogen), mg / l 1,2 0,5 MVI 101-08
Permanganate oxidizability, mgO / dm3 <0,25 - PND F 14.1: 2: 4.154-99
Nitrates, mg / l 3,3 40 MVI 16-09
Sulfates, mg / l >70 (96) 100 MVI 6-10
Nitrite, mg / l 0,04 0,08 MVI 69-09
Polyphosphates, mg / l 0,28 - MVI 25-10
Iron, mg / l 0,020 0,1 GOST 31870-2012
Copper, mg / l <0,002 0,001 GOST 31870-2012
Lead, mg / l <0,002 0,06 GOST 31870-2012
Calcium, mg / l 144 180 GOST 31870-2012
Magnesium, mg / l 19 40 GOST 31870-2012
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