StonyLab Glass Dropper Pipettes Set Thick Borosilicate Glass Dropping Pipettes Liquid Transfer Set with Red Rubber Caps for Lab Set of 10 Graduated 0.5ml 1ml 2ml Non-Graduated 1ml 3ml
Set of 10: Graduated 0.5ml, Graduated 1ml, Graduated 2ml, Non-Graduated 1ml (15cm length), Non-Graduated 3ml (20cm in length).
All 5 different dropper pipettes with or without graduations in a variety of sizes to accommodate multiple uses.
Made with thick and durable Borosilicate glass, it’s also chemical and heat resistant.
perfect for receiving and dispensing liquids.
A great choice for precise liquid measurement or just for daily liquid transfer.
commonly used in chemistry, microbiology, bio-chemistry and medical fields for lab experiments and researches.
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Laboy Glass 250mL Addition Graduated Pressure Equalizing Dropping Funnel/Lines with 24/40 Joint at Top & 2mm PTFE Stopcock Chemistry Lab Glassware
...alizing funnel is a special type of dropping funnel .Comparing to the ordinary cylindrical dropping funnel and pear-shaped separatory dropping funnel,it is designed with an additional glass tube at side from the top of cylindrical body to the tube between the stopcock and lower male joint.The funnel features a graduated cylindrical tube as main body,with standard joints at top and bottom,a PTFE stopcock above the lower joint..
ADVANTAGE---A pressure equalizing funnel is used to add exact amounts of liquid to the receiving flask slowly and smoothly.With the side narrow-bore tube,the liquid form the funnel drops smooth without having to remove the glass joint stopper.In a reflux reaction,the funnel will be attached to one neck of the receiving flask,while the reflux condenser will be placed on the other neck.It is also ideal to handle air-sensitive reagents in a sealed,inert-gas environment..
DIMENSIONS------This graduated addition funnel has a capacity of 250mL,with 24/40 top and bottom joints, with a 4mm PTFE stopcock above the lower male joint..
HEAVY WALL ---This dropping funnel is heavy-wall designed , made by hand-blowing according to ASTM E438 ,made of high-quality borosilicate glass and annealed at 800 degree Celsius ,can be heated direc....
