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DEHA Testing Kits – Dissolved Oxygen Scavenger Analysis

Fiyat Sorunuz

Visual and instrumental test kits for DEHA (N,N-Diethylhydroxylamine) quantification in boiler systems using PDT and ceric sulfate titrimetric methods.

Two analytical methods: PDT colorimetric and ceric sulfate titrimetric
Range coverage from 0-400 ppb to 0-2.00 ppm DEHA
Field-ready visual test kits and instrumental laboratory solutions
Color-developed complex proportional to DEHA concentration
Standard references from G. Frederick Smith Chemical Co. and CHEMetrics methodology

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Daha fazla detay

Comprehensive DEHA testing solutions for boiler water treatment systems. Dissolved oxygen corrosion in boiler systems causes equipment failure, system downtime, and pitting of metal surfaces. DEHA (N,N-Diethylhydroxylamine) is added to boiler system water as an oxygen scavenger to maintain dissolved oxygen levels as low as possible. Our test kits employ two analytical methods: PDT (visual colorimetric) for field testing and ceric sulfate titrimetry for laboratory applications, providing accurate quantification across a wide concentration range.

Technical Specifications

Visual Kit – Range	0-400-400-3000 ppb
Visual Kit – Method Detection Limit	15 ppb
Visual Kit – Method	PDT (Pyridyl Disulfonic Acid Triazine)
Visual Kit – Catalog Number	K-3902
Visual Refill – Catalog Number	R-3902
Titration Kit – Range	25-250 ppm
Titration Kit – Method Detection Limit	25 ppm
Titration Kit – Method	Ceric Sulfate Titrant with Ferroin Indicator
Titration Kit – Catalog Number	K-3925
Instrumental Kit – Range	0-2.00 ppm
Instrumental Kit – Method	PDT
Instrumental Kit – Catalog Number	K-3903

Applications

Boiler water oxygen scavenger monitoring
Dissolved oxygen corrosion prevention verification
Boiler system efficiency assessment
Equipment maintenance and condition monitoring
Water treatment chemical concentration control
Industrial steam generation system analysis
Field and laboratory water quality testing

Frequently Asked Questions

What is DEHA and why is it used in boiler systems?

DEHA (N,N-Diethylhydroxylamine) is an oxygen scavenger chemical added to boiler system water to maintain dissolved oxygen at the lowest possible levels. Dissolved oxygen causes corrosion of metal surfaces, pitting, equipment failure, and system downtime, making DEHA essential for boiler protection.

What is the PDT method?

PDT method uses 3-(2-pyridyl)-5,6-bis(4-phenylsulfonic acid)-1,2,4-triazine disodium salt to react with ferrous iron (reduced from ferric iron by DEHA), producing a pink-purple colored complex proportional to DEHA concentration. Results are expressed as ppb (µg/L) or ppm (mg/L).

When should I use the ceric sulfate titrimetric method?

The ceric sulfate titrimetric method is ideal for higher concentration ranges (25-250 ppm DEHA) and laboratory applications where precise titration with Ferroin indicator endpoint detection is preferred over visual colorimetric assessment.

What is the difference between visual and instrumental kits?

Visual kits (K-3902, K-3925) are portable field-ready tests using colorimetric comparison. Instrumental kits (K-3903) are designed for laboratory instruments, providing precise measurement at 0-2.00 ppm DEHA using PDT chemistry.

What concentration range should I test for?

Select based on your application: 0-400-400-3000 ppb for low-level oxygen scavenger control using PDT visual method, 0-2.00 ppm for instrumental analysis, or 25-250 ppm for titration method in higher concentration applications.