Gastec 291 镍离子水质检测管(Ni)(5~50 mg / L)

Indicator:  10 ~ 50 mg/L
Measuring Range: 5 ~ 50 mg/L
Sampling Time:  3 minute
Colour Change: White → Red
Reaction Principle: Ni + Dimethyl glyoxime → Complex compound
Nr. of tests: 10

Detail

Catalog

 

Performance
Measuring Range (5) to 50 mg/L
Sampling Time 3 minutes
Detecting Limit 5 mg/L
Colour Change White → Red
Reaction Principle Ni + Dimethyl glyoxime → Complex compound
Shelf Life 3 Years
Corrections for temperature & humidity Unnecessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Changes colour by itself to
Zn 20 mg/L No ( ≦ 1000mg/L)
Al 30 mg/L No ( ≦ 1000mg/L)
Co 3 mg/ L + Greenish brown ( 20 mg/L)
CN- 10 mg/L No ( ≦ 100mg/L)
Fe2+ 5 mg/L + Brown ( 60 mg/L)
Fe3+ 100 mg/L No ( ≦ 1000mg/L)
Cu 5 mg/L + Reddish brown / yellowish Green ( 50mg/L)
Calibration gas generation  

 

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