Nickel-plated brass tube 12 mm diameter with a non-removable screw type air regulator also provided with a threaded needle valve flame intensity regulator, with brass 9 mm diameter serrated gas inlet tube. On stable heavy cast-iron base, baked hammertone finish.
Nickel-plated brass tube 12 mm diameter with a non-removable screw type air regulator also provided with a threaded needle valve flame intensity regulator, with brass 9 mm diameter serrated gas inlet tube. On stable heavy cast-iron base, baked hammertone finish.
Nickel-plated brass burner tube 13 mm diameter with rotatable non-removable air regulator, on stable cast iron base, baked hammertone finish, with serrated gas inlet tube.
Nickel-plated brass burner tube 13 mm diameter with rotatable non-removable air regulator, on stable cast iron base, baked hammertone finish, with serrated gas inlet tube.
Nickel-plated brass burner tube 13 mm diameter with rotatable non-removable air regulator, on stable cast iron base, baked hammertone finish, with serrated gas inlet tube and threaded needle valve to regulate the intensity of the flame.
Natural gas bunsen burner for high temperature work. Nickel-plated brass tube with rotatable non-removable air regulator. Perforated metal burner head 25 mm diameter produces an evenly aerated flame of uniform intensity. On heavy stable cast-iron base, baked hammertone finish, with serrated gas inlet tube 9 mm diameter.
Set contains twenty each of 1 g and 5 g, ten 10 g, four 20 g, two 100 g, and one each of 500 g and 1000 g weights. Stackable, color-coded weights come in a plastic storage box. Ages 8-13
Set contains twenty each of 1 g and 5 g, ten 10 g, four 20 g, two 100 g, and one each of 500 g and 1000 g weights. Stackable, color-coded weights come in a plastic storage box. Ages 8-13
This burette has a clear acrylic body and leak proof stopcock with a self lubricating PTFE plug. Each burette is individually calibrated for maximum accuracy. Acrylic body is resistant to dilute mineral acids and bases except Hydrofluoric Acid and Ammonium Hydroxide. It can be used with pHs ranging from 1 to 14 and with up to 5% weight per weight of acids or 30% of bases. Graduations are at 0.1 ml.
This burette has a clear acrylic body and leak proof stopcock with a self lubricating PTFE plug. Each burette is individually calibrated for maximum accuracy. Acrylic body is resistant to dilute mineral acids and bases except Hydrofluoric Acid and Ammonium Hydroxide. It can be used with pHs ranging from 1 to 14 and with up to 5% weight per weight of acids or 30% of bases. Graduations are at 0.1 ml.
This burette has a clear acrylic body and leak proof stopcock with a self lubricating PTFE plug. Each burette is individually calibrated for maximum accuracy. Acrylic body is resistant to dilute mineral acids and bases except Hydrofluoric Acid and Ammonium Hydroxide. It can be used with pHs ranging from 1 to 14 and with up to 5% weight per weight of acids or 30% of bases. Graduations are at 0.1 ml.
This burette has a clear acrylic body and leak proof stopcock with a self lubricating PTFE plug. Each burette is individually calibrated for maximum accuracy. Acrylic body is resistant to dilute mineral acids and bases except Hydrofluoric Acid and Ammonium Hydroxide. It can be used with pHs ranging from 1 to 14 and with up to 5% weight per weight of acids or 30% of bases. Graduations are at 0.1 ml.
This burette has a clear acrylic body and leak proof stopcock with a self lubricating PTFE plug. Each burette is individually calibrated for maximum accuracy. Acrylic body is resistant to dilute mineral acids and bases except Hydrofluoric Acid and Ammonium Hydroxide. It can be used with pHs ranging from 1 to 14 and with up to 5% weight per weight of acids or 30% of bases. Graduations are at 0.1 ml.
This burette has a clear acrylic body and leak proof stopcock with a self lubricating PTFE plug. Each burette is individually calibrated for maximum accuracy. Acrylic body is resistant to dilute mineral acids and bases except Hydrofluoric Acid and Ammonium Hydroxide. It can be used with pHs ranging from 1 to 14 and with up to 5% weight per weight of acids or 30% of bases. Graduations are at 0.1 ml.
Same as above but double and Plastisol coated jaws. Opening 3/8" to 1 3/8".
Same as above but double and Plastisol coated jaws. Opening 3/8" to 1 3/8".
Will hold 2 burettes 7 1/4" apart. Stamped steel. Zinc plated. For burettes 6mm to 16mm.
Will hold 2 burettes 7 1/4" apart. Stamped steel. Zinc plated. For burettes 6mm to 16mm.
Same as above with plastisol coated jaw.
Same as above with plastisol coated jaw.
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 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
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.
Steam autoclavable, polypropylene molded tray has a built-in handle for easy carrying of reagents or laboratory ware using one hand.
Steam autoclavable, polypropylene molded tray has a built-in handle for easy carrying of reagents or laboratory ware using one hand.
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 +
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 500 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 +
Durable, lightweight plastic instrument, designed for whiteboards/chalkboards. Made of white polystyrene and features handle for ease of use. 180 degrees marked with intervals of 1 degrees, 20" base,10" height.
Durable, lightweight plastic instrument, designed for whiteboards/chalkboards. Made of white polystyrene and features handle for ease of use. 180 degrees marked with intervals of 1 degrees, 20" base,10" height.
Durable, lightweight plastic instrument, designed for whiteboards/chalkboards. Made of white polystyrene and features handle for ease of use. 45 degrees triangle with a 23" base and 16"sides.
Durable, lightweight plastic instrument, designed for whiteboards/chalkboards. Made of white polystyrene and features handle for ease of use. 45 degrees triangle with a 23" base and 16"sides.
Durable, lightweight plastic instrument, designed for whiteboards/chalkboards. Made of white polystyrene and features handle for ease of use. 60 degrees Triangle with a 22"base.
Durable, lightweight plastic instrument, designed for whiteboards/chalkboards. Made of white polystyrene and features handle for ease of use. 60 degrees Triangle with a 22"base.
Sized just right for grade school aged children ages 5 to 9! Two vertical 1 3/8" prismatic reflective stripes on front and back. Hook and loop front closure. Elastic sides. Lime with orange reflective. Made in the USA.
Aluminum with 1/2" steel thumbscrews. Swivels and locks to any angle. For rods up to 5/8" diameter.
Aluminum with 1/2" steel thumbscrews. Swivels and locks to any angle. For rods up to 5/8" diameter.
Using the Crucible Cradle will help alleviate many of the problems associated with the proper handling of the crucible. You can now eliminate the need for the use of crucible tongs. Many students find the use of tongs awkward and end up dropping the crucible. The Cradle will also eliminate the need to touch the crucible after it has been heated. Oils from the finger tips can add weight to your final results, and throw off your findings.
Using the Crucible Cradle will help alleviate many of the problems associated with the proper handling of the crucible. You can now eliminate the need for the use of crucible tongs. Many students find the use of tongs awkward and end up dropping the crucible. The Cradle will also eliminate the need to touch the crucible after it has been heated. Oils from the finger tips can add weight to your final results, and throw off your findings.