Sulphide Test Kits

Visual Kits

Range MDL Method Type Kit Refill
0-1 & 1-10 ppm 0.05 ppm Methylene Blue CHEMets K-9510 R-9510
0-30 & 30-300 ppm 5 ppm Methylene Blue VACUettes K-9510D R-9510D
0-60 & 60-600 ppm 10 ppm Methylene Blue VACUettes K-9510A R-9510A
0-120 & 120-1200 ppm 20 ppm Methylene Blue VACUettes K-9510B R-9510B
0-1200 & 1200-12,000 ppm 200 ppm Methylene Blue VACUettes K-9510C R-9510C

Instrumental Kits

Range Method Type Kit Cat. No.
V-2000: 0-3.00 ppm / Spec: 0-1.00 ppm Methylene Blue Vacu-vials K-9503
0-6.00 ppm Methylene Blue Vacu-vials K-9523

The CHEMetrics test kits for the determination of Sulphide (Sulfide) in aqueous solutions are based on patented Self-Filling Reagent Ampoule technology, and employ the Methylene Blue method. Premixed. Premeasured. Precise. Each kit contains 30 tests. Suitable for industrial effluent testing.

The Methylene Blue Method

CHEMetrics test kits measure total acid soluble sulphides and employ the methylene blue methodology. Sulphides react with dimethyl-p-phenylenediamine in the presence of ferric chloride to produce methylene blue. Results are expressed as ppm (mg/l) S.

References:
USEPA Methods for Chemical Analysis of Water and Wastes, Method 376.2 (1983).
APHA Standard Methods, 21st ed., Method 4500-S2-D (2005).

Applications

Sulphides are naturally present in ground waters as a result of leaching from sulphur-containing mineral deposits. Surface waters do not usually contain high sulphide concentrations. Sulphides result from the decomposition of organic matter, from bacterial sulphate reduction under anaerobic conditions and from various chemical processes.


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