The HI93735-0 are reagents for low, medium, and high range colorimetric determination of total hardness. There are enough reagents for 100 tests to be used with Hanna’s HI96735 Total Hardness EPA Portable Photometer. 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 usePrepared with high purity chemicalsMarked with expiration date and lot number for traceability
The HI93735-0 are high quality reagents that are pre-measured, allowing for users to achieve fast and accurate colorimetric measurements. These reagents follow the EPA recommended method 130.1 in which the reaction between calcium, magnesium, and the reagents causes a red-violet tint in the sample. Depending on the range of the sample, one of three bottles of reagent A will be used, while reagent B and C are used for all ranges. By simply adding the range-appropriate bottle of liquid reagent A, two drops of reagent B, and the packet of reagent C to the sample, the reaction between calcium and magnesium and the reagents causes a color change dependent upon concentration. The intensity of color is determined by the compatible HI96735 photometer and the concentration will be displayed. The results will be displayed in mg/L (ppm) as CaCO3. These reagents are designed to be used with samples that have an expected range of 0 to 250 mg/L, 200 to 500 mg/L, or 400 to 750 mg/L as CaCO3 total hardness.
Specifications
Package
Packets and bottles
Quantity
100 sets
Method
Adaptation of the EPA recommended method 130.1
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