A set of premium quality pH 7.01 and 10.01 calibration buffer solutions. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna€™s line of calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. 5 sachets of pH 7.01 and 5 sachets of pH 10.01 with each containing 20 mL of buffer.
Color coded label for easy pH buffer value identification
Accuracy of +/- 0.01 pH @ 25°C
Temperature chart of the actual pH value at various temperatures printed on each bottle
A set of premium quality pH 4.01 and 7.01 calibration buffer solutions. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna€™s line of calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI77400P is for 5 sachets of pH 4.01 and 5 sachets of pH 7.01 with each containing 20 mL of buffer.
For use with Checker 1 pH Meter
Color coded label for easy pH buffer value identification
Accuracy of +/- 0.01 pH @ 25°C
Temperature chart of the actual pH value at various temperatures printed on each sachet
Perfect for counting, measuring and patterning. Plastic 1 cm cubes in 10 colors come in a storage tub with Activity Guide. Grades 1 +
This set of 1000 Centimeter cubes is perfect for counting, measuring and patterning. Plastic 1 cm cubes in 10 colors come in a storage tub with Activity Guide. Grades 1 +
Borosilicate glass centrifuge tube with conical bottom. 15 ml capacity. Graduated.
Borosilicate glass centrifuge tube with conical bottom. 15 ml capacity. Graduated.
Kit includes 1 each of Test Tube Rack for 6, Test Tube Brush, Test Tube Clamp, Crucible Tongs, Lab Scoop, 6" Spatula and Forceps.
1 blue vial and 1 red vial (100 strips per vial).
If you already own a checker, this replacement electrode will fit any checker.
Polypropylene covered for retrieving stirring bars from most liquids. Powerful magnet at one end, ring handle at the other end. 300mm length.
Polypropylene covered for retrieving stirring bars from most liquids. Powerful magnet at one end, ring handle at the other end. 300mm length.
Magnetic, polytetrafluorethylene coated. For use with magnetic stirrers.
Easy wind-up tapes are marked in inches and feet on one side and mm and cm on the other. Durable casing for years of use.
1-14 Paper strips, change for each full pH unit,100 strips per vial.