Sodium Fluoride - 1064491000 - Hóa Chất Phân Tích Merck

S              Assay    precipitative titration     min        99           %                           

S              In water insoluble matter                             max       0.01        %                           

S              Titrable base      as NaOH               max       0.01        meq/g                 

S              Titrable acid        as hydrofloric acid            max       0.03        meq/g                 

S              Chloride (Cl)                       max       0.003     %                           

S              Hexafluorosilicate            SiF6        max       0.1          %                           

S              Sulphate (SO4)                  max       0.01        %                           

S              Sulfite   SO3        max       0.005     %                           

S              Heavy metals     as Pb     max       0.001     %                           

S              Ca (Calcium)                       max       0.004     %                           

S              Fe (Iron)                              max       0.002     %                           

S              K (Potassium)                    max       0.02        %                           

S              Loss on drying   150 °C, 4 h           max       0.2          %                           

S                                                                                                              ACS, ISO-Reag.

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