Ácido etilendiaminotetraacético Reactivo ACS, 99.4-100.6%, polvo Sigma-Aldrich E9884-100G

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    Marca: Sigma-Aldrich/ Modelo: G8898-500G

    Procedencia: Estados Unidos

    Propiedades

           Grado                                                                                   Reactivo ACS

           Ensayo                                                                                                  99.4-100.6%

           Forma                                                                                          polvo

           Impurezas                                                                ≤0.005% Insol. Dil. NH 4 OH

                                                                              ≤ 0,1% de ácido nitrilotriacético ([HOCOCH 2 ] 3 N)

           Ign residuo                                                                                   ≤0.2%

           Mp                                                                                        250 ° C (dec.) (Lit.)

           Solubilidad                                                                        Agua: soluble 0,4 g / l a 20 ° C.

           Huellas de cationes                                                                Ca: ≤0.001%

                                                                                                      Fe: ≤0.005%

                                                                                                      Mg: ≤5 ppm

                                                                                        Metales pesados ​​(como Pb): ≤0.001%