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
20553: TitraVer EDTA hardness titrant, 0.020 N, 1L Solution 0 25,000 mg/L CaCO3 8226 ManVer Buret Titration     Contact Hach
Solution 0 - 2,500 mg/L CaCO₃ 8226 ManVer Buret Titration Y View
Solution 4 - 800 mg/L CaCO₃ AT1000 Total Hardness (Color) Total Hardness, Colorimetric    
Solution 0 25,000 mg/L CACO3 8222 Buret Titration    
Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration    
Solution 0 25,000 mg/L CaCO3 8338 Buret Titration Buret Titration    
Solution 20 - 720 mg/L CaCO₃ AT1000 Total Hardness Automatic Titrator Method    
28232H: Potassium hydroxide Solution, 8 N (100mL) Solution 0 25,000 mg/L CACO3 8222 Buret Titration     Contact Hach
Solution 100 200,000 mg/L 10253 Digital Titration EDTA, Calcium   View
Solution 0 25,000 mg/L CaCO3 8338 Buret Titration Buret Titration    
Solution 10 - 160 mg/L 8329 Digital Titration EDTA   View
Solution 10 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View
Solution 1 20 mg/L EDTA   View
Solution 1 20 gpg EDTA   View
Solution 10 - 4,000 mg/L CaCO3 8329 Digital Titration EDTA   View
Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration    
S11M004: pH 7.000 Certified Reference Material CRM Buffer Standard Solution, 500 mL 20 - 720 mg/L CaCO₃ AT1000 Total Hardness Automatic Titrator Method     Contact Hach
2241926: EDTA solution, 1M, 50mL SCDB Solution 0.05 - 4.00 mg/L Ca as CaCO3 8030 Ca & Mg Calmagite Colorimetric Calmagite Colorimetric     Contact Hach
Solution 10 4000 mg/L EDTA   View
Solution 0 4.00 mg/L Ca and Mg as CaCO3 8030 DR800 Ca & Mg Calmagite Colorimetric    
2241832: Calcium / Magnesium indicator solution, 100 mL Solution 0 4.00 mg/L Ca and Mg as CaCO3 8030 DR800 Ca & Mg Calmagite Colorimetric     Contact Hach
2319900: Hardness Reagent Set, Calmagite Colorimetric Method Solution 0.05 - 4.00 mg/L Ca as CaCO3 8030 Ca & Mg Calmagite Colorimetric Calmagite Colorimetric     Contact Hach
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
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
S11M002: pH 4.005 Certified Reference Material CRM Buffer Standard Solution, IUPAC, 500 mL 20 - 720 mg/L CaCO₃ AT1000 Total Hardness Automatic Titrator Method     Contact Hach
2589723: CDTA Reagent, 30 mL SCDB 8 - 1,000 µg/L CaCO3 8374 Chlorophosphonazo Colorimetric, Solution Pillow     Contact Hach
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
20253: Sulphuric acid standard solution, 0.100 N, 1 L Solution 20 - 720 mg/L CaCO₃ AT1000 Total Hardness Automatic Titrator Method     Contact Hach
S11M007: pH 10.012 Certified Reference Material CRM Buffer Standard Solution, IUPAC, 500 mL 20 - 720 mg/L CaCO₃ AT1000 Total Hardness Automatic Titrator Method     Contact Hach
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    
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    
2448000: Total Hardness Reagent Set for Digital Titrator (LR) Digital Titrator 10 - 160 mg/L 8329 Digital Titration EDTA   View Contact Hach
Digital Titrator 10 - 160 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA Y  
Digital Titrator 10 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View
2447600: Reagent set, hardness (total), buret, LR 0 - 2,500 mg/L CaCO₃ 8226 ManVer Buret Titration Y View Contact Hach
8636300: High Range Hardness Chemkey Reagents (box of 25) Chemkeys 90 - 750 mg/L ChemKeys for Total Hardness-HR ChemKeys for Total Hardness-HR     Contact Hach
244932: Sulphuric acid standard solution, 5.25 N, 100 mL 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 0 25,000 mg/L CaCO3 8338 Buret Titration Buret Titration    
2794649: Hardness Indicator Solution, 0.3 mg/L, 500 mL Hardness EDTA (SP510) 0.3-100mg/L Hardness EDTA     Contact Hach
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
2768949: Hardness Buffer Solution, 100 mg/L, 500 mL Hardness EDTA (SP510) 0.3-100mg/L Hardness EDTA     Contact Hach
2768549: SP510 Hardness Buffer Solution (0.3, 1, 2, 5 mg/L) Hardness buffer solution, 500mL Hardness EDTA (SP510) 0.3-100mg/L Hardness EDTA     Contact Hach
2447700: Reagent set, hardness (total), buret, HR 0 25,000 mg/L CaCO3 8226 ManVer Buret Titration    
OBSOLETE
100 - 25,000 mg/L CaCO₃ 8222 Buret Titration    
42632: Hardness 3 test solution, 100 mL MDB Solution 1 20 gpg EDTA   View Contact Hach
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