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
CAD Price
28232H: Potassium Hydroxide Standard Solution, 8.00 N, 100 mL MDB Solution 1 - 20 gpg EDTA   View Contact Hach
Solution 1 - 20 mg/L EDTA   View
2329332: Wide Range pH Indicator Solution, 100 mL MDB Solution 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View Contact Hach
2349932: EDTA Standard Solution, 0.035N, 100 mL MDB Solution 20 - 400 mg/L EDTA   View Contact Hach
Solution 1 - 20 mg/L EDTA   View
42649: Hardness 3 Solution, 500 mL Solution 1 - 30 gpg Powder Pillows EDTA   View Contact Hach
Solution 1 - 20 mg/L EDTA   View
Solution 1 - 20 gpg EDTA   View
Solution 1 - 30 gpg Bulk Powder EDTA   View
2241732: Alkali Solution for Calcium and Magnesium, 100 mL MDB Solution 0 - 4.00 mg/L Ca and Mg as CaCO3 8030 DR800 Ca & Mg Calmagite Colorimetric   View Contact Hach
Solution 0.05 - 4.00 mg/L Ca and Mg as CaCO3 8030 Ca & Mg Calmagite Colorimetric Calmagite Colorimetric    
2319900: Hardness Reagent Set, Calmagite Colorimetric Solution 0 - 4.00 mg/L Ca and Mg as CaCO3 8030 DR800 Ca & Mg Calmagite Colorimetric   View Contact Hach
Solution 0.05 - 4.00 mg/L Ca and Mg as CaCO3 8030 Ca & Mg Calmagite Colorimetric Calmagite Colorimetric    
20556: EDTA Standard Solution, 0.0200N, 4L Solution 0 - 25,000 mg/L CaCO3 8226 ManVer Buret Titration     Contact Hach
Solution 0 - 25,000 mg/L CACO3 8222 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
27249: Water, Deionized, 500 mL Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View Contact Hach
Solution 10 - 160 mg/L CaCO3 8329 Digital Titration EDTA   View
Solution 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View
Solution 10 - 4,000 mg/L CaCO3 8329 Digital Titration EDTA   View
Solution 10 - 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View
42549: Hardness 2 Solution, 500 mL Solution 1 - 20 mg/L EDTA   View Contact Hach
Solution 1 - 20 gpg EDTA   View
39532: Soap Solution, Hardness Demonstration, 100 mL MDB Solution 1 - 20 gpg as CaCO₃ Drop Count, Soap Demonstration Drop Count Titration   View 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
28249: Potassium Hydroxide Standard Solution, 8.00 N, 500 mL Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration     Contact Hach
Solution 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration 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
254049: Nitric Acid Solution, 1:1, 500 mL 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
Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration    
Solution 10 - 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View
15249: Nitric Acid, 500 mL 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
Solution 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View
Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration    
Solution 10 - 160 mg/L CaCO3 8329 Digital Titration EDTA   View
Solution 0.05 - 4.00 mg/L Ca and Mg as CaCO3 8030 Ca & Mg Calmagite Colorimetric Calmagite Colorimetric    
Solution 10 - 4,000 mg/L CaCO3 8329 Digital Titration EDTA   View
2229726: EGTA Solution, 50 mL SCDB Solution 0.05 - 4.00 mg/L Ca and Mg 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   View
12153: Calcium Standard Solution, 1000 mg/L as CaCO₃, 1 L Solution 0 - 25,000 mg/L CaCO3 8226 ManVer Buret Titration     Contact Hach
Solution 100 - 200,000 mg/L CaCO³ 10247 Digital Titration EDTA, Total   View
Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration    
Solution 1 - 16 G.d.h. CaCO₃ 8213 Digital Titration Digital Titration using EDTA    
Solution 10 - 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View
Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View
Solution 10 - 160 mg/L CaCO3 8329 Digital Titration EDTA   View
Solution 10 - 100+ G.d.h. CaCO₃ 8213 Digital Titration Digital Titration using EDTA    
Solution 10 - 4,000 mg/L CaCO3 8329 Digital Titration EDTA   View
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