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COD standard 500 ppm, 500 mL, regular bottle 0 ₫ 0.0 VND	Chloride, mercury (II) thiocyanate method, Reagent kit for 300 tests (Cl-) 0 ₫ 0.0 VND	Chloride, mercury (II) thiocyanate method, Reagent kit for 100 tests (Cl-) 0 ₫ 0.0 VND	Calcium, oxalate method, reagent kit for 150 tests (Ca) 0 ₫ 0.0 VND
Calcium, oxalate method, reagent kit for 50 tests (Ca) 0 ₫ 0.0 VND	Magnesium, calmagite method, reagent kit for 150 tests 0 ₫ 0.0 VND	Magnesium, calmagite method, reagent kit for 50 tests 0 ₫ 0.0 VND	Calcium and magnesium HR, oxalate (Ca) and calmagite (Mg) methods, Reagent kit for 300 tests (150 ea.) 0 ₫ 0.0 VND
Calcium and magnesium HR, oxalate (Ca) and calmagite (Mg) methods, Reagent kit for 100 tests (50 ea.) 0 ₫ 0.0 VND	Sulfate, turbidimetric method, Reagent kit for 300 tests (SO₄²-) 0 ₫ 0.0 VND	Sulfate, turbidimetric method, Reagent kit for 100 tests (SO₄²-) 0 ₫ 0.0 VND	Potassium, turbidimetric method, Reagent kit for 300 tests (K) 0 ₫ 0.0 VND
Potassium, turbidimetric method, Reagent kit for 100 tests (K) 0 ₫ 0.0 VND	Chromium VI LR, diphenylcarbohydrazide method, Reagent kit for 300 tests (Cr VI LR) 0 ₫ 0.0 VND	Chromium VI LR, diphenylcarbohydrazide method, Reagent kit for 100 tests (Cr VI LR) 0 ₫ 0.0 VND	Manganese LR, PAN method, Reagent kit for 150 tests (Mn LR) 0 ₫ 0.0 VND
Manganese LR, PAN method, Reagent kit for 50 tests (Mn LR) 0 ₫ 0.0 VND	Iron LR, TPTZ method, Reagent kit for 300 tests (Fe LR) 0 ₫ 0.0 VND	Iron LR, TPTZ method, Reagent kit for 100 tests (Fe LR) 0 ₫ 0.0 VND	Nickel LR, PAN method, Reagent kit for 150 tests (Ni LR) 0 ₫ 0.0 VND

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