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
42649: Hardness 3 solution, 500 mL Solution 1 30 gpg Bulk Powder EDTA   View Contact Hach
Solution 1 20 mg/L EDTA   View
Solution 1 30 gpg Powder Pillows EDTA   View
2498132: EDTA standard solution, 0.0075N, 100 mL MDB Solution 0 - 360 ka/ha Gypsum Requirement Drop Count Titration   View Contact Hach
254049: Solution, nitric acid, 1:1, 500 mL Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration     Contact Hach
20529: EDTA Standard Solution, 0.0200N, 200 mL Solution 0 25,000 mg/L CaCO3 8226 ManVer Buret Titration     Contact Hach
Solution 0 25,000 mg/L CACO3 8222 Buret Titration    
74053: CDTA titrant (HexaVer), 0.02 N, 1 L Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View Contact Hach
Solution 10 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View
254049: Solution, nitric acid, 1:1, 500 mL Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View Contact Hach
74053: CDTA titrant (HexaVer), 0.02 N, 1 L Solution 10 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View Contact Hach
46249: Soap solution, hardness demonstration, 500 mL Solution 1 - 20 gpg as CaCO₃ Drop Count, Soap Demonstration Drop Count Titration   View Contact Hach
46212: Soap solution, hardness demonstration, 50 mL DB Solution 1 - 20 gpg as CaCO₃ Drop Count, Soap Demonstration Drop Count Titration   View Contact Hach
254049: Solution, nitric acid, 1:1, 500 mL Solution 10 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View Contact Hach
27249: Water, deionised and demineralised, 500mL Solution 10 - 160 mg/L 8329 Digital Titration EDTA   View Contact Hach
Solution 10 - 4,000 mg/L CaCO3 8329 Digital Titration EDTA   View
Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View
Solution 10 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View
Solution 10 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View
2594649: Water, aldehyde-free 500 mL Solution 4 - 1,000 µg/L CaCO₃ 8374 Chlorophosonazo Rapid liquid, Pour-Thru Cell Chlorophosphonazo Colorimetric     Contact Hach
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