TY JOUR TI USING JUG FILTERS EFFECT ON IRON ION CONTENT IN TAP WATER PURIFICATION KW WATER TREATMENT KW TAP WATER KW PITCHER FILTERS KW IRON IONS KW SPECTROPHOTOMETER JO Herald of Technological University AU , .. AU Timofeev, A.O. AU Uchitelev, K.A. PY 2025 IS 27 PB Kazan National Research Technological University