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  • 产品名称：273铬离子检测管 Cr6+

  • 产品型号：273铬离子检测管 Cr6+
  • 产品厂商：日本GASTEC
  • 产品文档：
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简单介绍：
Performance Measuring Range 0.5 to 50 mg/L Sampling Time 2 minutes Detecting Limit 0.4 mg/L Colour Change White → Yellow Reaction Principle Cr6+ + Pb(CH3COO)2 → PbCrO4 Shelf Life 3 Years Corrections f
详情介绍：

Chromium (VI) Ion             NO.273

Cr6+
Performance
Measuring Range
0.5 to 50 mg/L
Sampling Time
2 minutes
Detecting Limit
0.4 mg/L
Colour Change
White → Yellow
Reaction Principle
Cr6+ + Pb(CH3COO)2 → PbCrO4
Shelf Life
3 Years
Corrections for temperature & humidity
Water temperature correction is necessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance
Concentration
Interference
Change colour by itself to
Cl-
20 mg/L
+
No
CH3COO-
20 mg/L
+
No
NO3-
30 mg/L
+
No
S2-
0.5  mg/L
Unclear
Brown (0.5 mg/L )
SO42-
10 mg/L
+
No
PO43-
5 mg/L
+
No
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