Natrium soorten
-
Natriumthiosulfaat of kortweg thio
Natrium Thiosulfaat ( Na2S2O3*5H2O ) 50 gram Bik-Bik
-
Natriumthiosulfaat of kortweg thio
Natrium Thiosulfaat ( Na2S2O3*5H2O ) 100 gram Bik-Bik
-
(wolblank)
Natrium Hydrosulfiet ( Na2S2O4 ) 100 gram
-
(wolblank)
Natrium Hydrosulfiet ( Na2S2O4 ) 250 gram