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Water Quality Testing Parameters and Their Chemistries, Reagents, and Standards

Water Quality Testing Parameters and Their Chemistries, Reagents, and Standards
Hach is dedicated to providing high-quality reagents for routine and challenging water analysis. Understanding our customers applications has allowed us to formulate reagents that ensure exceptional performance and deliver trusted results. Hach chemistries are rigorously tested in combination with our packaging and instruments to ensure the highest possible system performance. Our portfolio includes: TNT (Test ‘N Tube) Vials, TNTplus Vials, Permachem Powder Pillows, and Accuvac Ampules.
 
Browse Products by Parameter

Products: Hardness

PN / Name
Platform
Range
Method
EPA Compliant
Instrument, Test Kit, etc
Web Price
2833449: Hardness Quality Control Standard, Low Range, 500 mL Solution 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View Contact Hach
Solution 0 - 2,500 mg/L CaCO₃ 8226 ManVer Buret Titration Y View
Solution 10 - 160 mg/L CaCO3 8329 Digital Titration EDTA   View
245026: Standard solution, sodium hydroxide, 5.0 N, 50 mL SCDB Solution 0 - 2,500 mg/L CaCO₃ 8226 ManVer Buret Titration Y View Contact Hach
2833449: Hardness Quality Control Standard, Low Range, 500 mL Solution 10 - 160 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA Y   Contact Hach
245026: Standard solution, sodium hydroxide, 5.0 N, 50 mL SCDB Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View 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    
16232: Phenolphthalein Indicator Solution, 5 g/L, 100 mL MDB (APHA) Solution 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View 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
20253: Sulfuric Acid Standard Solution, 0.100 N (N/10), 1 L Solution 20 - 720 mg/L CaCO₃ AT1000 Total Hardness Automatic Titrator Method     Contact Hach
42649: Hardness 3 Solution, 500 mL Solution 1 - 30 gpg Powder Pillows EDTA   View 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
20553: EDTA Standard Solution, 0.0200N, 1 L Solution 20 - 720 mg/L CaCO₃ AT1000 Total Hardness Automatic Titrator Method     Contact Hach
Solution 4 - 800 mg/L CaCO₃ AT1000 Total Hardness (Color) Total Hardness, Colorimetric    
Solution 0 - 25,000 mg/L CaCO3 8338 Buret Titration Buret Titration    
Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration    
Solution 0 - 25,000 mg/L CACO3 8222 Buret Titration    
Solution 0 - 2,500 mg/L CaCO₃ 8226 ManVer Buret Titration Y View
Solution 0 - 25,000 mg/L CaCO3 8226 ManVer Buret Titration    
20529: EDTA Standard Solution, 0.0200N, 200 mL Solution 0 - 25,000 mg/L CACO3 8222 Buret Titration     Contact Hach
Solution 0 - 25,000 mg/L CaCO3 8226 ManVer Buret Titration    
28249: Potassium Hydroxide Standard Solution, 8.00 N, 500 mL Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration     Contact Hach
1481253: Hydrochloric Acid Standard Solution, 0.10 N, 1 L Solution 20 - 720 mg/L CaCO₃ AT1000 Total Hardness Automatic Titrator Method     Contact Hach
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
42653: Hardness 3 solution, 1 L Solution 1 - 20 mg/L EDTA   View Contact Hach
Solution 1 - 20 gpg EDTA   View
Solution 1 - 30 gpg Powder Pillows EDTA   View
Solution 1 - 30 gpg Bulk Powder EDTA   View
10649: Ammonium Hydroxide, 500 mL Solution 4 - 800 mg/L CaCO₃ AT1000 Total Hardness (Color) Total Hardness, Colorimetric     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
Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration    
244932: Sulphuric acid standard solution, 5.25 N, 100 mL Solution 10 - 160 mg/L CaCO3 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    
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
Solution 0 - 2,500 mg/L CaCO₃ 8226 ManVer Buret Titration Y View
Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View
2833349: Hardness Quality Control Standard, High Range, 500 mL Solution 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View Contact Hach
Solution 100 - 200,000 mg/L CaCO³ 10253 Digital Titration EDTA, Calcium   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
Solution 8 - 1,000 µg/L CaCO3 8374 Chlorophosphonazo Colorimetric, Solution Pillow    
12153: Calcium standard solution, 1000 mg/L CaCO₃, 1 L Solution 100 - 200,000 mg/L CaCO³ 10247 Digital Titration EDTA, Total   View Contact Hach
Solution 10 - 160 mg/L CaCO3 8329 Digital Titration EDTA   View
Solution 10 - 4,000 mg/L CaCO3 8329 Digital Titration EDTA   View
Solution 0 - 25,000 mg/L CACO3 8222 Buret Titration    
Solution 0 - 2,500 mg/L CaCO₃ 8226 ManVer Buret Titration Y View
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