Using Table 4 MPN Index, it is possible to estimate the number of organisms from any combination of positive and negative test results. The MPN Table (Table 4) is based on 3 dilutions of decreasing decimal increments. Example: Five tubes of undiluted sample, 5 tubes of 10X dilution, and 5 tubes of 100X dilution are inoculated initially.

Fünf-Röhrchen-MPN-Test. Verwenden Sie Tabelle 1, um die MPN/100 mL für MPN-Tests mit 5 Röhrchen zu bestimmen. Beispiel: Wenn 4 der 5 Röhrchen eine positive Reaktion zeigen, wäre die MPN/100 mL 16,0. Tabelle 3 zeigt typische Dezimalverdünnungen für verschiedene Probentypen. Berechnung

A-1 Medium Broth MPN Tubes, pk/15 (Product # 2560915) Most Probable Number (MPN) Method, Hach method 10032, Hydrogen Sulfide Producing Bacteria . Scope and application: For the detection of Salmonella, Citrobacter, Proteus, Edwardsiella and Klebsiella (some spp.) in drinking water, surface water and recreational water. Media Packaging

Below is a color chart for the Hydrogen Sulfide Test Kit, Model HS-C (Product # 2537800). Please note that scanned or recopied color charts will have some differences in the brightness and tone of the color and may not accurately reflect colors seen on the color strip. An original chart should be used for the most accurate results.

The chart on each bottle will be slightly different for each lot of strips produced therefore the ...

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1 mg/L = 1 parts per million (ppm) for dilute aqueous solutions. For example, a chlorine concentration of 1.8 mg/L chlorine is equivalent to 1.8 ppm chlorine.

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The length of the white column (silver chloride) in the strip is proportional to the chloride ion concentration. Each lot of QuanTab® strips is calibrated independently, so the chart on the bottle that shows the chloride concentration may differ from lot to lot.