Dissolved Oxygen, Winkler method, Reagent Kit
Backorder Now, once ordered your item will dispatch before the 10th of May 2025, call 1300 737 871 (NZ 0800 737 871 to confirm).
The HI3810-100 are reagents for the determination of dissolved oxygen (O2) by titration with the HI3810 Dissolved Oxygen Chemical Test Kit.
- - Includes enough reagents for approximately 100 tests to be used with Hanna’s test kit.
- - Pre-made reagents for ease of use.
- - Prepared with high purity chemicals.
- - Marked with expiration date and lot number for traceability.
Regular price
$123.48 AUD
+ GST
$135.83 AUD Inc. GST
$135.83 AUD Inc. GST
The HI3810-100 are high quality reagents that are pre-measured, allowing for users to achieve fast and accurate dissolved oxygen measurements with the chemical test kit. These reagents follow a modified Winkler titration method to determine dissolved oxygen concentration.
For determination of dissolved oxygen, manganous ions react with oxygen in the presence of potassium hydroxide to form a manganese oxide precipitate. An azide is present to prevent any nitrite ions from interfering with the test. With addition of acid, manganese oxide hydroxide oxidizes the iodide to iodine. Since the amount of iodine generated is equivalent to the oxygen in the sample, the concentration of iodine is calculated by titration of thiosulfate ions that reduce the iodine back to iodide ions. The color change from blue to colorless indicates the endpoint of the titration. The number of milliliters of titrant used to reach the appropriate endpoint will determine the dissolved oxygen concentration as mg/L O2. These reagents are designed to be used with samples that have an expected dissolved oxygen range of 0.0 to 10.0 mg/L O2.
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