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: Hardness

PN / Name
Platform
Range
Method
EPA Compliant
Instrument, Test Kit, etc
ZAR Price
28232H: Potassium hydroxide Solution, 8 N (100mL) Solution 100 200,000 mg/L 10253 Digital Titration EDTA, Calcium   View Contact Hach
Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration    
Solution 10 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View
Solution 10 - 160 mg/L 8329 Digital Titration EDTA   View
Solution 1 20 gpg EDTA   View
Solution 0 25,000 mg/L CaCO3 8338 Buret Titration Buret Titration    
Solution 10 - 4,000 mg/L CaCO3 8329 Digital Titration EDTA   View
Solution 1 20 mg/L EDTA   View
Solution 0 25,000 mg/L CACO3 8222 Buret Titration    
2319900: Hardness Reagent Set, Calmagite Colorimetric Method Solution 0 4.00 mg/L Ca and Mg as CaCO3 8030 DR800 Ca & Mg Calmagite Colorimetric     Contact Hach
Solution 0.05 - 4.00 mg/L Ca as CaCO3 8030 Ca & Mg Calmagite Colorimetric Calmagite Colorimetric    
2241832: Calcium / Magnesium indicator solution, 100 mL Solution 0.05 - 4.00 mg/L Ca as CaCO3 8030 Ca & Mg Calmagite Colorimetric Calmagite Colorimetric     Contact Hach
Solution 0 4.00 mg/L Ca and Mg as CaCO3 8030 DR800 Ca & Mg Calmagite Colorimetric    
2241732: Alkali solution for colorimetric hardness, 100 mL Solution 0.05 - 4.00 mg/L Ca as CaCO3 8030 Ca & Mg Calmagite Colorimetric Calmagite Colorimetric     Contact Hach
Solution 0 4.00 mg/L Ca and Mg as CaCO3 8030 DR800 Ca & Mg Calmagite Colorimetric    
2700653: Standard solution, EDTA, 0.010M, 1L Solution Hardness EDTA Standard Methods EDTA     Contact Hach
2229726: EGTA solution, 50 mL Solution 0 4.00 mg/L Ca and Mg as CaCO3 8030 DR800 Ca & Mg Calmagite Colorimetric     Contact Hach
Solution 0.05 - 4.00 mg/L Ca as CaCO3 8030 Ca & Mg Calmagite Colorimetric Calmagite Colorimetric    
42453: Hardness 1 buffer solution (1000 mL) Solution 10 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View Contact Hach
Solution 0 25,000 mg/L CaCO3 8226 ManVer Buret Titration    
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