Object of Procurement

• What is being procured: Purchase of polyaluminium chloride (liquid, CAS no. 1327-41-9) for the Narva Water Treatment Plant.
• Main technical requirements, properties:
  • Basicity: 36 - 46 %.
  • Density: 1.32 - 1.42 kg/dm³ (+20° C).
  • Aluminium ($\text{Al}^{3+}$) content: $9.4 \pm 0.2$ %.
  • $\text{Al}_2\text{O}_3$ content: 16.5 - 18.2%.
  • Iron (Fe total) content: $< 0.01$ %.
  • Arsenic (As) content: $< 1.35 \text{ mg/kg}$.
  • Area of…
     
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