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
20253: Sulphuric acid standard solution, 0.100 N, 1 L Solution 20 - 720 mg/L CaCO₃ AT1000 Total Hardness Automatic Titrator Method     Contact Hach
28249: Potassium hydroxide standard solution, 8.00 N, 500 mL Solution 10 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View Contact Hach
Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration    
16232: Phenolphthalein Indicator Solution, 5 g/L, 100mL MDB Solution 10 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View Contact Hach
42632: Hardness 3 test solution, 100 mL MDB Solution 1 30 gpg Bulk Powder EDTA   View Contact Hach
Solution 1 20 gpg EDTA   View
Solution 1 30 gpg Powder Pillows EDTA   View
Solution 1 20 mg/L EDTA   View
244932: Sulphuric acid standard solution, 5.25 N, 100 mL Solution 10 - 4,000 mg/L CaCO3 8329 Digital Titration EDTA   View Contact Hach
Solution 0 25,000 mg/L CaCO3 8338 Buret Titration Buret Titration    
Solution 10 - 160 mg/L 8329 Digital Titration EDTA   View
27256: Water, deionised and demineralised, 4L Solution 4 - 800 mg/L CaCO₃ AT1000 Total Hardness (Color) Total Hardness, Colorimetric     Contact Hach
Solution 100 200,000 mg/L 10253 Digital Titration EDTA, Calcium   View
42532: ManVer Hardness 2 indicator solution, 100 mL MDB Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View Contact Hach
Solution 1 20 gpg EDTA   View
2349932: EDTA Standard solution, 0.035 N, 100 mL Solution 20 400 mg/L EDTA   View Contact Hach
Solution 1 20 mg/L EDTA   View
2833349: Quality control standard hardness, high range, 500 mL Solution 10 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View Contact Hach
42532: ManVer Hardness 2 indicator solution, 100 mL MDB Solution 1 20 mg/L EDTA   View Contact Hach
Solution 10 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View
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