00311nam a2200097Ia 4500008004100000245008300041260000900124500003200133650002300165650002500188220217s9999    xx            000 0 und d 0aTesting of latex. Determination of boric acid content in natural rubber latex.  c1977  aStandard number: DIN 53 605  aBoric acid content  aNatural rubber latex