All Products
Dissolved CO₂ Waterproof Sleeve
Dissolved CO₂ Waterproof SleeveThe Wireless CO₂ Sensor can be equipped for aqueous measurements using this semipermeable sleeve.
Includes; 5 x sleeves & 5 x O-rings
Distillation set, large
Distillation set, largeGlass construction kit for organic chemistry. The individual parts are with NS 19/26 and NS 24/29 grinding.
Distillation set, semi-micro
Distillation set, semi-microConstruction kit in glass for the construction of apparatus for distillation on a semi-micro scale. The individual parts are with normal grinding NS 14/23.
Distillation set, small
Distillation set, smallGlass construction kit for organic chemistry. The individual parts are with NS 14/23 grind.
DNA Model 50cm
DNA Model 50cmAssembled
As FR-527565, but with 12 base pairs:thymine (t), 6 adenine (A), 6 guanine (G) & 6 cytosine (C).
The side chains consist of dextroribose (red) and phosphate (purple), which can also be separated.
DNA model, 12 layers
DNA model, 12 layersThe model has 12 base pairs: 6 thymine (t), 6 adenine (A), 6 guanine (G) and 6 cytosine (C).
The side chains consist of dextroribose (red) and phosphate (purple), which can also be separated.
DNA model, 22 layers
DNA model, 22 layersThis DNA model makes it easier to study the double helix structure.
The model contains 22 base pairs consisting of:
12 thymine (T) (orange), 11 adenine (A) (blue), 11 guanine (G) (green),11 cytosine (C) (yellow).
DNA model, large, for hanging
DNA model, large, for hangingLarge, attractive DNA model, which can be mounted on a tripod pole or hung from the ceiling.
Shows DNA in double helix with 12 base pairs with correct bond angles
Document Analysis Lab Activity
Document Analysis Lab ActivityDetermine a document’s authenticity.
Doppler Ball
Doppler BallA 100 mm plastic ball with a coin cell battery powered buzzer inside for demonstrations of the Doppler Effect.
Doppler Rocket
Doppler RocketEffectively teaches students the frequency shift concept and its rugged design allows for years of classroom use.
Double dipper
Double dipper
Double Rod Clamp (3 pack)
Double Rod Clamp (3 pack)Clamp holds two rods either parallel or perpendicular to one another.
Double-Length Slinky
Double-Length SlinkyAn excellent tool for demonstrating transverse and longitudinal wave phenomena. It is twice as long as a traditional slinky.
Dr FuelCell fuel cell car, basic
Dr FuelCell fuel cell car, basicThis fuel cell car set contains an electrolysis unit that is reversible and can thus both function as an electrolyzer that generates hydrogen, and which can subsequently function as a fuel cell that generates electricity to drive the electric motor in the car. Also included is a bottle of distilled water , a solar cell and a stopwatch, as well as a manual with various tasks.
Drive belts, set
Drive belts, setSet of 4 flexible drive belts made from black synthetic rubber. The belts measure approx. 240 mm, 390 mm, 580 mm and 780 mm. Oil-resistant.
Driven Damped Cart Oscillations
Driven Damped Cart OscillationsThe oscillator consists of a Smart Cart attached to two springs.
Driven Damped Harmonic Oscillations Experiment
Driven Damped Harmonic Oscillations ExperimentThe complete solution for examining the resonance of a driven damped harmonic oscillator.
