Sour Water Detection

SKU: 33810-PbAc

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[5]   2 Reviews    | Write a Review

Detect hydrogen sulfide in industrial water systems and oil refineries using Indigo® lead acetate test paper to monitor sour water corrosion.

Indigo® lead acetate paper provides a rapid, on-site test for hydrogen sulfide in sour water systems, a key indicator of corrosion potential in refineries, cooling towers, and industrial water loops. In oil and gas facilities, H2S arises from hydrodesulfurization and microbial activity, attacking steel and copper surfaces. Early detection using lead acetate strips can help verify the effectiveness of biocides, neutralizers, and molybdate-based inhibitors.

The test’s simplicity allows field technicians to confirm H2S presence before laboratory analysis, reducing downtime and minimizing safety risks in process water systems.

Details Specs Reviews
Details
Objective Recommended Best Practice
Corrosion source tracking Test condensate lines, neutralizer feed points, and sump areas for H2S evolution.
Cooling water safety Use strips before system shutdowns or inhibitor replenishment.
Result interpretation Blackening within seconds indicates high H2S; gradual darkening suggests trace activity.
Integration with monitoring Combine strip testing with molybdate or chloride testing for complete corrosion control.

Learning Outcomes

Concept Key Takeaway
Sour water formation Occurs when H2S dissolves in process water under high temperature or pressure.
Corrosion mechanism Hydrogen sulfide reacts with metal surfaces to form iron sulfide scales.
Lead acetate paper Provides immediate field confirmation of H2S presence.
Industrial control Supports preventive maintenance in refineries, condensers, and cooling systems.

Excerpt taken from an article in Drilling Contractor: What really happens to high-strength drill pipe after exposure to sour gas environment?

Related information or images
Hydrogen Sulfide Gas Detection

Wastewater/Biogas

Lead Acetate Hydrogen Sulfide Test Paper

Lead Acetate Hydrogen Sulfide Test Paper

Specifications
  • The number of strips (100) per bag is approximate.
  • Shelf life is 3 years but if bag is properly sealed, they should be good for a minimum of 5 years.
     

Test Strip Documentation
Stability Statement Certificate of Analysis SDS
Indigo Lead acetate test strips Stability Statement Indigo Lead acetate test strips Certificate of Analysis Indigo Lead acetate test strips SDS
Reviews (2)
2020-12-02
Exactly what I ordered.
— Randy
2017-01-16

The test strips from Indigo are top notch. They are always competitively priced and shipped on time. The best part of dealing with Indigo is that they stay on top of their products. We had a bad batch of strips arrive in the past but before we could figure it out the hard way, Indigo had identified the issue and had a replacement order already in the mail to us. Pretty hard to beat that kind of customer service.

— Mike Shields
— Indigo:

Thanks for the kind words & great review. We knew how important these strips were to your business & we happy to nip it in the bud!

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