Top 20 Best Selling Buffers Lab Chemicals (2019)




General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our ... more info

This solution is all your customers need for calibration of their pH meter. They simply dip the probe in a small amount of the balanced solution, adjust the meter to read 7.0, and they're ready to go. ... more info


This 5 pack of pH buffer solution powders come in pre-measured individually sealed packets. Each one of the packets makes 250 mL of 6.86 pH buffer solution when mixed with distilled water. This simplifies the process by making pH buffer solutions quickly ... more info


This item includes ten genuine Hanna Instruments 7.01 calibration solution in 20ml single-use packets. ... more info



This item includes ten genuine Hanna Instruments 7.01 calibration solution in 20ml single-use packets. ... more info

Gardeners can adjust their pH meters to 4.01 with this 32-ounce Calibration Solution. Simply immerse the pH electrode in the solution for one minute prior to calibration. ... more info



Copper Sulfate 10% W/V Solution 500mL ... more info

Buffered with phosphate in accordance with the AfIP manual of Histology. Filtered and ready-to-use. ... more info



Copper Standard 20 ppm, 500ML ... more info


Solution combination kit. Kit includes pH 4.01, pH 7.01, pH 10.01, HI 70300, HI 7061. 500mL Bottle. Combination kits for easy ordering and reordering. Pack of 5 bottles. ... more info


Bromothymol Blue 0.04% Solution 500mL ... more info

Hydrogen Peroxide 6% Laboratory Grade, 500ML ... more info




Hepes Buffer Solution 0.2M, 500ml, pH range: 7.0-8.0 ... more info

The Milwaukee Instruments 7.01 Calibration Solution is for use with or use with aquarium pH meters to measure the pH in saltwater and freshwater aquariums ... more info


This 5 pack of pH buffer solution powders come in pre-measured individually sealed packets. Each one of the packets makes 250 mL of 7.00 pH buffer solution when mixed with distilled water. This simplifies the process by making pH buffer solutions quickly ... more info


Proper calibration of the instrument to sensor measuring system will ensure your results are accurate and repeatable. The use of standard calibration solutions is fundamental for correctly calibrating the measuring system. The Hanna range of conductivity ... more info



Buffer Solution at pH 4.0 at 25% red color coded. 500ml poly bottle. Traceable to NIST and not regulated for DOT. ... more info

Zero oxygen solution. It is used for Performing DO measurements. 500ml bottle. ... more info



Buffer Solution at pH 7.0 at 25% yellow color coded. 500ml poly bottle. Traceable to NIST and not regulated for DOT. ... more info

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