Low form Nessler colour comparison tubes available as unmatched tubes, or in matched sets of six. Both 50 ml and 100 ml matched tubes are specified in ASTM D-1068 Standard Test Methods for Iron in Water, and may be used in other tests as well. (ASTM D-1068)
Canadawide Scientific est une entreprise canadienne détenue à 100 % qui dessert les communautés scientifiques et industrielles partout au Canada depuis 1976.