Chemistries, Reagents and Standards

Chemistries, Reagents and Standards
Hach® has more than 60 years of history dedicated to formulating and packaging high-quality reagents for water analysis. We understand your applications and formulate our reagents to ensure exceptional performance and deliver results you can trust, time after time. Our expertise extends beyond chemistry formulation to the complete reagent system. Hach chemistries are rigorously tested in combination with our packaging and instruments to ensure the highest possible system performance. No other company can offer these advantages.
 
Browse Products by Parameter

Products: Chlorine, Free

PN / Name
Platform
Range
Method
EPA Compliant
Instrument, Test Kit, etc
CAD Price
2142001: Phenylarsine Oxide (PAO) Digital Titrator Cartridge, 0.0451 N Digital Titrator 0 - 10 mg/L Cl₂ 8335 Amperometric Titration     Contact Hach
2259901: Phenylarsine Oxide (PAO) Digital Titrator Cartridge, 0.00451 N Digital Titrator 0 - 10 mg/L Cl₂ 8335 Amperometric Titration     Contact Hach
199901-CA: Phenylarsine Oxide (PAO) Digital Titrator Cartridge, 0.00564 N Digital Titrator 0 - 1,000 µg/L Cl₂ 10024 Y View
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