Low range COD (<150 ppm) analysis measures the decrease in the oxidant, Cr2O7 2-. High range COD (<1,500 ppm) analysis measures the increase in Cr3+. A spectrophotometer sends the correct wavelength through the
High Range Cyanuric Acid Analysis 10 to 100 mg/L as Cyanuric Acid Application Note: High Range Cyanuric Acid Analysis Introduction Cyanuric acid is used to stabilize chlorine in swimming pools. Cyanuric acid binds with free
2017/05/01 · These composition of these COD vials are similar to that of EPA standards, so they also contain mercury. Mercury-free reagents : Most COD vials contain mercury sulfate to remove chloride interferences, which would otherwise create a falsely high COD value.
2021/03/09 · A-7325 is CHEMetrics Single Analyte Meter (SAM) for high range COD analysis. It is compatible with CHEMetrics 0-1500 ppm HR COD vials (*Kit Cat. Nos. K-7360S, K-7365, K-7361S, K-7366) and 0-15,000 ppm HR+ COD vials
show in mg/L COD . 8. If using High Range Plus COD digestion reagent vials, multiply the result by 10. For the most accurate results with samples near 1500 or 15,000 mg/L COD, repeat the analysis with a
Precision-manufactured from low extractable borosilicate glass, these vials are ideal for compound biological sample applications. Vials conforms to USP Type I
ASTM D 1252-00, Chemical Oxygen Demand (Dichromate Oxygen Demand) of Water, Test Method B. CHEMetrics offers two dichromate reactor digestion methods for fast, easy, safe determinations of low-, mid-, and high-range COD levels in wastewater: the USEPA-accepted Method*, and a mercury-free method.
COD Digestion Vials, High Range, pk/150 Overview Details Parameter/Reagent Downloads Accessories Similar Products Product #: 2125915 USD Price: $247.00 Available Qty in Cart: 0
Tube tests for photometric analysis convince by their easy handling and therefore are the first choice for routine, laboratory and process analysis. A maximum in accuracy and precision is granted for the measurement results due
The HI93754C-25 reagents vials follow the dichromate method for the high range determination of chemical oxygen demand (COD) using a compatible benchtop photometer. The HI93754C-25 are reagent vials that follow the dichromate
were analyzed for COD using both low- and high-range vials. The results are shown in Figures 1 and 2, and indicate that ammonia was not oxidized in the analysis in either low- or high-range vials when chloride was absent; am
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The Lovibond range from the Tintometer Group offers a single source of instruments, reference materials and reagents People dealing with the analysis of water or colour measurement know that for more than 130 years that they are in
