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Automatic Pipette Washer

At Kumar Instruments, It is a high-speed manner of washing overlong pipettes that removes back siphoning, as the water inlet is situated above and away from any polluted water.

Washers sketched for the automatic removal of stains and/or dirt from pipettes. To wash the pipettes properly, Scientific Instruments like Multipurpose labware washers probably also be applied, but their utilization is normally restricted to pipettes of a maximum length of a few inches.

How do you use a pipette washer?

Plainly position the pipet washer in the sink, attached it to a cock, add the soap, add the pipets, and turn on the water. You do rinse pipets for hours by rotating the water off once the washer is full. Holds up to 24 pipets and can also be utilized to wash glass tubing.

How do you clean an automatic pipette?

Do open the pipette, submerge the chunks in a detergent solution. Wash out well with distilled water and permit to dry. DNA can be removed by submerging pipette slices in at least 3% (w/v) sodium hypochlorite for at least a few minutes. Cleanse well with distilled water and grant to dry.

How to Take Care of Your Pipettes

Pipettes are such a normal part of the everyday lifecycle in the lab that it can be easy to take them for granted.  Their accuracy is necessary, and there are numerous things we can embrace as best practices for victory. Here are some tips presented here-


•            Pre-wet tip. Extract liquid into the tip and pass out two or three times before taking up the wanted volume.
•            Submerge to suitable depth during aspiration. Absorb the tip below the meniscus. tiny volume pipettes must be immersed to 2-3 mm while big volume pipettes must be immersed to 5-6 mm.
•            Use compatible plunger speed and pressure.
•            Dispense sample at a 45° angle and aspirate at a 90° angle. These angles are effective for certainly all substance is drawn up into, and expelled from, the tip.
•            Lessen heat transfer by hold out the pipette loose way and set down when not in use.


•            Store pipettes vertically to keep away from impurity.
•            Store pipettes ring up to high up volume setting.
•            Store away from moisture and heat.
•            Pipette tips must be eliminated prior to storage.
•            Maintain pipettes free and clean of impurity.
•            When washing pipettes with the bleach solution, do not drench as moisture can make its way to the piston and do cause corrosion.

Why do you rinse the pipette with the solution?

It has to be utilized to make sure elimination of any moisture adhering to glass and also to be added from the pipette would rise the moles of substance applied in the reaction, so the titer volume would be bigger than it must be.  

Pipette Decontamination

Decontamination—Any method for killing and/or removing microorganisms. A similar term is also utilized for neutralizing or removing radioactive materials and hazardous chemicals.

Disinfection—A chemical or physical means of destroying microorganisms, but not essentially spores.

Sterilization—A process that removes and/or kills all classes of spores and microorganisms.

Pipette cleaning

Cleaning requirements based on the pipette utilized and the liquid. The chemical harmony of the pipette must be checked prior to cleaning. When required, disposable gloves, protective clothing, and goggles must be worn.

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