Hach SpecCheck Secondary Gel Standards Set
Features
- Check instrument response without sample or reagent preparation
- Colored gels are stable, assuring consistent performance
- 2-year guaranteed performance
- Free ground shipping
- Expedited repair and warranty service
- Lifetime technical support
- More
Overview
The Hach SpecCheck Secondary Gel Standards Set includes four 10-mL (1-inch) vials filled with gels that simulate the test color at various chlorine concentrations, instructions, a plastic case and a Certificate of Analysis. SpecCheck Standards are computer-formulated and have a two-year shelf life from the date of manufacture.
Benefits
- Use with Hach Colorimeters and Spectrophotometers
- Solid Gel Standards - No preparation required
- Ideal for instrument verification in the lab and in the field
- 2-year guaranteed performance
- NIST traceable
- (4) 10 mL (1-inch) sealed glass cells
- (3) Standards and a blank
- (1) Certificate of analysis
- (1) Instructions
- (1) Plastic case
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A group of high schoolers in the Green Bay, Wisc. area are learning about careers in environmental science thanks to the Lower Fox River Watershed Monitoring Program. The program, supported by the University of Wisconsin, has involved more than 700 students since its 2003 launch. 
 
“We have almost ten years of data,” said Annette Pelegrin, program coordinator. “It began in 2003 with five watersheds. We’ve trained teachers and schools that are interested and showed them how to measure different parameters.” 
 
Those include flow, temperature, transparency and turbidity of the program’s streams. YSI 55 meters are used to measure dissolved oxygen and levels of phosphorus, ammonia and nitrogen are checked with a Hach colorimeter.
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Over the next year, however, Springfield will be paying close attention to its waterways in an effort to eliminate illegal discharges. 
 
“The city is required to determine the location of every pipe that enters Springfield’s streams,” said Sky Schelle, the stormwater coordinator for the city of Springfield. “If a pipe is flowing, we must determine the source of the flow.
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