Hóa chất Ferroin solution (1,10-phenanthroline iron(II) sulfate) 1/40 mol/l redox indicator Merck 1091930500 (Chai thủy tinh 500 ml) DEEP52 https://yeuhangduc.vn/
10,887,855₫
Mô tả
Density: 1.01 g/cm3 (20 °C)
pH value: 2.5 (50 g/l, H₂O, 20 °C)
Spec. Absorptivity A 1%/1cm (λmax; 0.003 %; buffer pH 7.0): 180 - 200
Application test: conforms
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