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Iron ion Fe(2+)
Item Item Details
(Price is for domestic US market only)
Iron ion Fe(2+)
Item Name:
Iron ion Fe(2+)
Item #:
GAS-281

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Iron (II) Ion Fe2+ NO: 281

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Performance

Measuring Range

(5) to 50 mg/l

Sampling Time

5 minutes

Detecting Limit

1.0 mg/l

Color Change

White Orange

Reaction Principle

Fe2+ + 1,10 Fenantoroline (White) 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 color by itself to

Zn

5 mg/l or higher

Plus error

No discoloration by 100 mg/l

Co

5 mg/l or higher

Plus error

Orange stain at 1 mg/l

CN--

20 mg/ or lower

Minus error

No stain at 100 mg/l

Fe3+

50 mg/l or higher

Plus error

Pale orange stain at 50 mg/l

CU+

5 mg/l or higher

Minus error

Pale orange at 1mg/l

CU2+

10 mg/l or higher

Plus error

Pale blue stain at 50 mg/l

Ni

5 mg/l or higher

Plus error

No stain at 100 mg/l or lower

Mn

50 mg/l or higher

Minus error

No stain at 100 mg/l

PO43-

100 mg/l or higher

No effect

No stain at 100 mg/l



Range 5-50mg/l


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