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
218710: Calcium Hardness Standard Solution, 10000 mg/L CaCO₃ (NIST), 16 x 10 mL Ampules Solution 10 - 100+ G.d.h. CaCO₃ 8213 Digital Titration Digital Titration using EDTA     Contact Hach
Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View
Solution 20 400 mg/L 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
20556: EDTA standard solution, 0.0200N, 4L Solution 0 25,000 mg/L CaCO3 8226 ManVer Buret Titration     Contact Hach
2329332: Indicator solution, wide range pH, 100 mL MDB Solution 10 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View Contact Hach
20556: EDTA standard solution, 0.0200N, 4L Solution 0 25,000 mg/L CACO3 8222 Buret Titration     Contact Hach
218710: Calcium Hardness Standard Solution, 10000 mg/L CaCO₃ (NIST), 16 x 10 mL Ampules Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration     Contact Hach
245026: Standard solution, sodium hydroxide, 5.0 N, 50 mL SCDB Solution 10 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View Contact Hach
Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View
2603101: Reagent set, hardness (ULR), bulk solution Solution 4 - 1,000 µg/L CaCO₃ 8374 Chlorophosonazo Rapid liquid, Pour-Thru Cell Chlorophosphonazo Colorimetric     Contact Hach
102149: EDTA Standard Solution, 0.200 N, 500 mL Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration     Contact Hach
Solution 0 25,000 mg/L CACO3 8222 Buret Titration    
Solution 0 25,000 mg/L CaCO3 8226 ManVer Buret Titration    
2603101: Reagent set, hardness (ULR), bulk solution Solution 8 - 1,000 µg/L CaCO3 8374 Chlorophosphonazo Colorimetric, Solution Pillow     Contact Hach
27242: Water, deionised and demineralised, 100mL Solution 100 - 400 mg/L 8329   View Contact Hach
218710: Calcium Hardness Standard Solution, 10000 mg/L CaCO₃ (NIST), 16 x 10 mL Ampules Solution 0 25,000 mg/L CaCO3 8226 ManVer Buret Titration     Contact Hach
102149: EDTA Standard Solution, 0.200 N, 500 mL Solution 0 25,000 mg/L CaCO3 8338 Buret Titration Buret Titration     Contact Hach
42649: Hardness 3 solution, 500 mL Solution 1 20 gpg EDTA   View Contact Hach
Solution 1 30 gpg Bulk Powder EDTA   View
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
47949: Hardness solution, 20 gpg (340 mg/L)/2 mg/L iron, 500 mL Solution 1 20 gpg EDTA   View Contact Hach
Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View
Solution 1 20 mg/L EDTA   View
2311149: Hardness Buffer Solution, Aminoethanol, 500 mL Solution Hardness EDTA Standard Methods EDTA     Contact Hach
254049: Solution, nitric acid, 1:1, 500 mL Solution 10 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View Contact Hach
10649: Ammonium hydroxide, 500 mL Solution 4 - 800 mg/L CaCO₃ AT1000 Total Hardness (Color) Total Hardness, Colorimetric     Contact Hach
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