CERTIFICATE TEST PROTOCOL NO. 252

№№252, dated 10/17/2024 12:00:00 AM

Certification test protocol No. 252
Date: 10/17/2024
Object of testing: Natural mineral table water "Kryvoozerska" (still), packaged in various volumes (9.0 L, 6.0 L, 3.785 L, 2.0 L, 1.5 L, 1.0 L, 0.75 L "Sport", 0.5 L).
Customer and manufacturer: LLC "Kryvoozerska KSF", Kryve Ozero, Industrialna st., 2, Mykolaiv region, 55104.
Regulatory document: DSTU 878-93 "Packaged mineral waters. Technical conditions".
Types of tests: full physicochemical and sanitary-microbiological analysis.
Test results
Sanitary-microbiological indicators
Total microbial count (24 and 48 h): < 100 CFU/ml → not detected.
Number of coliform bacteria: < 3 CFU/l → not detected.
Pseudomonas aeruginosa: absent.
All indicators meet the requirements.
Organoleptic indicators
Odor: absent.
Transparency: high, without impurities.
Taste: pleasant, typical of natural mineral water.
Color: colorless liquid.
Meets standards.
Physicochemical indicators
pH: 7.90 (norm >4.5).
Redox potential (Eh): +485 mV.
Carbon dioxide: 0.40–0.42% (norm 0.2–0.4%).
Within permissible values.
Macrocomponent composition
Sodium and potassium: 0.2291 g/l.
Calcium: 0.0477 g/l.
Magnesium: 0.0411 g/l.
Chlorides: 0.2063 g/l.
Sulphates: 0.2025 g/l.
Hydrocarbons: 0.3477 g/l.
Total mineralization: 1.0743 g/l.
Water composition formula: MI0.07 Cl 37 HCO₃ 36 SO₄ 27 (Na+K) 63 Mg 22 Ca 15.
Sanitary and chemical indicators
Nitrites: < 0.008 mg/l (norm ≤2.0).
Nitrates: < 0.34 mg/l (norm ≤50.0).
Ammonium: < 0.03 mg/l.
Meets standards.
Specific biologically active components
Iodides: < 0.127 mg/l.
Bromides: < 0.080 mg/l.
Ortho- and metasilicic acid: 7.14–37.22 mg/l.
Total organic carbon: 0.90 mg/l.
Normal.
Safety indicators (toxic elements, heavy metals, radionuclides)
Uranium, radon, mercury, lead, cadmium, copper, nickel and others → do not exceed permissible levels.
Water is safe.
Meaning of the document
This protocol confirms that the mineral water "Kryvoozerska" meets all sanitary, chemical and microbiological requirements. This is a guarantee of its quality and safety for consumption.