供应 铜离子检测管 Cu NO.284

Performance 
Measuring Range 1 to 20 mg/L 
Sampling Time 5 minutes 
Detecting Limit 0.5 mg/L 
Colour Change White → Orange 
Reaction Principle Cu2+ + Reduction Agent → Cu+ + Bathocuprim
Cu+ → Complex compound 
Shelf Life 2 Years 
Corrections for temperature & humidity Unnecessary 
Store the tubes at cool and dark place. 
Possible coexisting substances and their interferences (NOTE) 
Substance Concentration Interference Change colour by itself to 
Zn 5 mg/L + No (100mg/L) 
Al 50 mg/L + No (100mg/L) 
Cr6+
  100 mg/L
 No Pale yellow (100 mg/L) 
Co
  100 mg/L
 No No (100mg/L) 
CN-
 0.2 mg/L - No (100mg/L) 
Fe
 100 mg/L
 No  No (100mg/L)
 
Ni
  70 mg/L
 +  No (100mg/L)
 
 Mn
 30 mg/L
 +  No (100mg/L)