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Sulfide ion (S2-)
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Sulfide ion (S2-)
Item Name:
Sulfide ion (S2-)
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Sulfide Ion S2- NO: 211



Measuring Range

1 to 100 ppm

Sampling Time

2 minutes

Detecting Limit

0.5 ppm

Color Change

White Brown

Reaction Principle

S2- + Pb(CH3COO)2 PbS
Shelf Life 3 Years
Corrections for
temperature & humidity
Store the tubes at cool and dark place.

Possible coexisting substances and their interferences (NOTE)





Chloride ion


5000 ppm or higher

Plus error

Chromate ion


25 ppm or higher

Minus error

Carbonate ion


500 ppm or higher

Plus error

Thiosulfate ion


50 ppm or higher

Unclear demarcation

Range 1-100

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