Hanna HI749-25 Chromium Low Range Checker

Hanna HI749-25 – Reagent Set for Chromium VI Low Range Checker HC (25 Tests)

The Hanna HI749-25 is a designed exclusively for the Hanna HI749 Chromium VI Low Range Checker HC. These reagents enable accurate and efficient colorimetric testing of hexavalent chromium (Cr⁶⁺) in water, with a detection range of 0 to 300 ppb.

Pre-measured and easy to use, the HI749-25 reagents eliminate the need for complicated preparation, delivering 25 reliable tests ideal for environmental monitoring, water treatment, and lab work.

Key Features 

• Accurate Low-Range Detection
  Paired with the HI749 Checker HC, this reagent set supports measurements with a 1 ppb resolution and ±2 ppb ±4% accuracy at 25°C—perfect for trace-level chromium VI detection.

• Proven Analytical Method
  The reagents follow the Diphenylcarbohydrazide Method, adapted from ASTM D1687-92. In this method, chromium VI reacts with the reagent to produce a purple tint, which the device interprets colorimetrically.

• Pre-Measured Convenience
  Each sachet is individually portioned for a single test, saving time and reducing reagent handling errors. Simply add the reagent to your water sample and let the Checker HC do the rest.

• Fast and Consistent Results
  Because these reagents are manufactured under strict quality standards, you can expect consistent results across all 25 tests in the pack.

Specifications

Note: All technical specs for power, LED, and device dimensions refer to the HI749 Checker HC, not the reagent set itself.

Applications

• Drinking Water Safety Checks
  Ensure compliance with regulatory chromium VI limits to protect human health.

• Environmental Field Testing
  Quickly assess chromium contamination in rivers, lakes, and groundwater sources.

• Industrial Wastewater Monitoring
  Additionally, control discharge levels and comply with environmental regulations.

• Educational and Laboratory Use
  Use in lab settings or academic training programs focused on trace metal analysis.