Hóa chất Axi.t ethylenediaminetetraacetic C10H16N2O8 Ethylenediaminetetraacetic aci.d EDTA Xilong CAS 60-00-4 lọ 250g Liên hệ: 0944.999.025 (có zalo)Email: hoachatvanxuan@gmail.comWeb: hoachatvanxuan.com