Merck, 1146790495, COD solution A
Size:495 mL, Nota 1 A, for measuring range 500 - 10000 mg/l; 2.20 ml per determination Spectroquant®
Catalog Number: 1146790495
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Pack Size495 mL
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| NACRES | SE.11 |
|---|---|
| UNSPSC Code | 41116116 |
| form | liquid |
| analyte functional class(es) | chemical oxygen demand (COD) |
| technique(s) | photometry: suitable |
| pH | 2O) |
| density | 1.22 g/cm3 at 20 °C |
| web metadata keyword.default | microbialanalysismicrobialanalysis |
| application(s) | aquaculturebeverage testingbiotechnology/fermenterboiler and cooling waterconstruction materialsdisposal drainage waterdrinking waterelectroplatingenvironmentalground and surface watermineral waterpower plantsswimming poolswastewater |
| storage temp. | 15-25°C |
| Quality Level | 100 |
Answer:Solution A is used in the Spectroquant method for 500–10,000 mg/L COD.
Answer:No. It is one liquid reagent and must be combined with the corresponding COD Solution B in the specified test procedure.
Answer:The specified amount is 2.20 mL of Solution A per determination.
Spectroquant COD Solution A is a liquid reagent for photometric chemical oxygen demand determination in water and wastewater samples. It forms one part of the two-solution test chemistry used for the 500–10,000 mg/L COD measuring range. A standard determination uses 2.20 mL of Solution A together with the corresponding volume of Spectroquant COD Solution B, following the established test procedure. The reagent is supplied in a 495 mL bottle and is not a complete standalone COD test kit. Its strongly acidic composition requires appropriate laboratory protective equipment, chemical-resistant handling and suitable waste disposal. For dependable results, use the specified sample volume, digestion conditions and calibration or blank checks for the measurement method. Ensure the test range covers the expected sample concentration; heavily loaded process streams may require dilution before analysis. Keep containers tightly closed, store under the specified conditions and prevent cross-contamination between the two reagent bottles. Do not replace Solution B with this component.
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