Concentrating Hydrogen Peroxide

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This page accompanies the video uploaded to youtube () Concentrating Hydrogen Peroxide), mainly showing the equipment used in case you want to recreate the experiment or similar of distilling or concentrating hydrogen peroxide from 3% to above 90% (rocket grade hydrogen peroxide or HTP). Note: This is for reference, if you see equivalent parts or cheaper, nothing here is unswappable. Sometimes you can get decent vacuum distilling sets off of Ebay as well. Also, if you have ad-block on the amazon links won't show up.

1 Liter Pyrex Glass Griffin Beaker
Laboratory Grade Metalware Set - Support Stand, Clamp, Retort Ring (Quantity: 2)
Set of Funnels
Hot Plate Magnetic Stirrer with Dual Control and 1 inch Stir Bar-110V
Distilling Glass Stopper with 24/40 Ground Joint
Vacuum Tubing - 1/4" Inner Diameter
1/4-inch Female Flare by 1/4-inch Male Pipe Thread Brass Adapter
3-Way Distilling Adapter with 24/40 Joints
Tee Joint, 1/4"x1/4"x1/4" NPT Female Pipe
1/4" Barb x 1/4" NPT Male Pipe Adapter
Single Stage Rotary Vane Vacuum Pump
Brass Ball Valve Shut off Switch, 1/4" Male and Female NPT
Vacuum Pressure Gauge, 1/4" NPT
Vacuum Grease
Graduated Measuring Cylinders
Graduated Thermometer
Vigreux Distilling Column, 30mm, 24/40
1L Glass Single Neck Round Bottom Boiling Flask, 24/40
500mL Glass Single Neck Round Bottom Boiling Flask, 24/40
Glass Condenser, 200mm, 24/40
Vacuum Take Off Adapter, 24/40
Water Tubing

Notes on High Test Hydrogen Peroxide

Concentrating high-test hydrogen peroxide (HTP) is a fun scientific excercise. I first heard about this reading up on the early NASA Gemini program, where I learned that hydrogen peroxide was used as a monopropellant in thrust engines. A monopropellant is not mixed with anything else to enable propulsion.

When HTP comes into contact with a catalyst (such as silver), it rapidly decomposes into steam and oxygen gas. Hydrogen peroxide should be handled with care, but is considered the safest of all rocket fuels.

You may also note that HTP as a rocket engine has no unfortunate biproducts - only oxygen and steam. Hence, it is somewhat of a green fuel as well.

Hydrogen Peroxide Safety

Wear gloves! A drop on your fingers won't hurt you, but you will notice your finger turns white, as shown in the picture below. Rinse it in water and a few hours later it should be back to normal, but will sting a bit. If you accidentally drink it, you should start drinking water immediately and contact a doctor, but you should be fine.

mild hydrogen peroxide burn

Don't store HTP in air tight containers; HTP gradually breaks down to water and oxygen, and the pressure can build up rapidly. It should be stored in aventillated containers.


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