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Alkalinity Test Kit Replacement Reagents (110 tests) HI3811-100
CA$57.00
SKU
3811100
The HI3811-100 are reagents for the determination of alkalinity by titration with the alkalinity chemical test kit. There are enough reagents for approximately 110 tests to be used with Hanna's test kit. These high quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability.
- Pre-made reagents for ease of use
- Prepared with high purity chemicals
- Marked with expiration date and lot number for traceability
| Manufacturer | Hanna Instruments |
|---|---|
| Solution Parameters | Alkalinity |
| Hazardous | Yes |
| Note | Ships with heat pack(s) during winter months. |
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The HI3811-100 are high quality reagents that are pre-measured, allowing for users to achieve fast and accurate alkalinity measurements with the chemical test kit. These reagents follow the phenolphthalein/bromophenol blue method to determine phenolphthalein alkalinity/total alkalinity concentration.
For determination of phenolphthalein alkalinity, the dilute hydrochloric acid titrant neutralizes the sample to the pH endpoint near pH 8.3. With addition of phenolphthalein indicator, the solution turns pink to visually indicate it is near the pH endpoint. For total alkalinity determination, dilute hydrochloric acid is also used as the titrant. With addition of bromophenol blue indicator, the solution turns yellow to blue/green as it reaches the pH endpoint near pH 4.5. The number of milliliters of titrant used to reach the appropriate endpoint will determine the alkalinity as mg/L CaCO3. These reagents are designed to be used with samples that have an expected alkalinity range of 0 to 100 mg/L and 0 to 300 mg/L CaCO3.
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