bubble_chart REAGENT Mixing of 4 anions/chlorine/bromine/nitrate/sulfate 100μg/mL, U=3%, Matrix: H2O ฿4,200.00 ข้อมูล
bubble_chart REAGENT lead ion sdandard solution 1.00μg/g, matrix: K+ 2.2mg/L, Na+ 23mg/L, Ca2+ 39mg/L, Mg2+mg/L, 0.5mol/L HNO3 ฿2,680.00 ข้อมูล