Stirring Rods
Stirring rods are usually made of borosilicate glass and are similar in style to drinking straws. There are various lengths but are usually ten to forty centimetres long and half a centimetre thick. They are made from single lengths of thin glass which are cut into segments. After manufacture, they are flame polished which gives them their characteristic round ends. Apart from different lengths, there is not a great deal of variety in stirring rods although they may have paddle or plain ends. Like other pieces of laboratory glassware, they can be sterilised and as yet, they have not been replaced by other materials. Stirring rods are found in most laboratories as they are extremely versatile. They can be used for mixing and provide controlled agitation without interacting with the chemicals directly. When working with potentially hazardous chemicals, these tools allow the mixture to be poured slowly to avoid too rapid a chemical reaction. When decanting supernatants, the contact of the rod helps negate the adhesion to the side of glassware without agitating the solid. To induce crystallisation, the rod is scrapped against the inside of the flask containing the solution. The stirring rod can break up emulsion during extraction.
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Gebr Rettberg Dropping Funnel 10ml Cylindrical Graduated NS 14 with 134042108 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel 250ml Cylindrical Graduated NS 29 with 134042236 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel 250ml Cylindrical Graduated NS 29 with PTFE 134044236 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel 25ml Cylindrical Graduated NS 14 with 134042113 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel 500ml Cylindrical Graduated NS 29 with 134042244 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel 500ml Cylindrical Graduated NS 29 with PTFE 134044244 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel 50ml Cylindrical Graduated NS 14 with 134042117 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel 50ml Cylindrical Graduated NS 14 with PTFE 134044117 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel 50ml Cylindrical Graduated NS 29 with 134042217 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel 50ml Cylindrical Graduated NS 29 with PTFE 134044217 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel with Temperature Controllable Jacket 134041024 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel with Temperature Controllable Jacket 134041036 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel with Temperature Controllable Jacket 134041045 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel with Temperature Controllable Jacket 134041055 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel with Temperature Controllable Jacket 134041063 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel with Temperature Controllable Jacket 134041124 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel with Temperature Controllable Jacket 134041136 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel with Temperature Controllable Jacket 134041145 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel with Temperature Controllable Jacket 134041155 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel with Temperature Controllable Jacket 134041163 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel with Temperature Controllable Jacket 50 134041108 - General Lab (1 Supplier)
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Gebr Rettberg Dropping Funnel with Temperature Controllable Jacket 50ml 134041008 - General Lab (1 Supplier)
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Gebr Rettberg Head Curved Cone and Socket NS 29 Borosilicate 134201129 - General Lab (1 Supplier)
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Gebr Rettberg Head Straight Cone and Socket NS 29 Borosilicate 134201229 - General Lab (1 Supplier)
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Gebr Rettberg Raw Fiber Crucible 30ml P 1 Borosilicate Glass 134122316 - General Lab (1 Supplier)
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