Caracterizar & Especificar Sulfito de sódio

classe 96% da tecnologia

Propriedades                                       Unidade                                      Padrão
Na2SO3                                           %                                         96.0min
Fe                                                   %                                          0.005max
Substância insolúvel na água              %                                          0.03max
Separe alkalibased em Na2CO3     %                                          0.40max

produto comestível 97%

Propriedades                                     Unidade                                       Padrão
Na2SO3                                          %                                          97min
Na2SO4                                          %                                          2.5max
NaCl                                               %                                          0.10max
Ferro (Fe)                                          %                                          0.002max
Água - insolúvel                               %                                           0.02max
Alcalóide livre (como Na2CO3)                   %                                           0.1max
Metais pesados (como o Pb)                       %                                           0.005max
Arsênico (como)                                    %                                              0.0002max