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The procedure for determining sulfate is a modification of the barium sulfate turbidimetric method. Sulfate is precipitated as barium sulfate by reaction with barium chloride in acidic medium.
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The HI38000 is a chemical test kit that determines the sulfate concentration in two ranges: 20 to 30 mg/L and 30 to 100 mg/L. The HI38000 is supplied with all of the necessary reagents and equipment to perform the analysis. The test kit contains enough reagents to perform approximately 100 tests. Features at-a-glance Complete setup All required materials are included with the test kit, such as the glass test tube. plastic pipette, spoon, reagent bottles and packets. High resolution Readings from 20 to 30 mg/L are determined to 5 mg/L resolution. Readings from 30 to 100 mg/L are determined to 10 mg/L resolution. Replacement reagents available There is no need to buy a new kit when reagents are exhausted. The HI38000-10 can be ordered to replace the reagents supplied with the kit. Significance of Use Sulfate is widely present within natural waters in different concentrations. Sulfate concentration is to be kept within a strict range for drinking water, especially since this value can be high near mine drainage points. Sulfate is also rigorously tested in the production of beverages such as beer, due to its significant effect upon odor and taste.
| Method | Turbidimetric |
|---|---|
| Range | 20-100 mg/L |
| Smallest Increment | 5 mg/L |
| Chemical Method | Barium chloride |
| Number of Tests | 100 |
| Weight | 290 g |

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HI9829-14/15 is for premium quality 10 ppm and 100 ppm (mg/L) Nitrate (as N) calibration standards. It is produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with…

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