Borosilicate Glass Burettes

Class A precision burettes — straight bore, Rotaflow, amber UV-coated, automatic, and micro. PTFE or glass stopcocks. 11 models covering all titration needs.

Quick Jump: Straight Bore with PTFE Key — Class AStraight Bore with Glass Key — Class ARotaflow Key with PTFE Needle Valve — Class AAmber Coating — Straight Bore with PTFE Key — Class AAmber Coating — Rotaflow Key with PTFE Needle Valve — Class AAutomatic — Rotaflow Key with PTFE Needle Valve — Class AAutomatic — PTFE Stopcock, Amber — Class AMicro Burette — Class AS, Blue Graduated, Lateral PTFE ValveBurette — Glass with Pinch ClipBurette with Pinch CorkRubber Bellow with Cotton Net

Straight Bore with PTFE Key — Class A

ISO 385

Class A
Borosilicate Straight Bore Burette with PTFE Stopcock Class A

Zero-lubrication PTFE key for smooth, grease-free titrant delivery. The most widely used burette for general analytical titration.

S.No CapacitySubdivision
1 10 mL 0.05 mL
2 25 mL 0.05 mL
3 50 mL 0.10 mL
4 100 mL 0.20 mL

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Straight Bore with Glass Key — Class A

ISO 385

Class A
Borosilicate Straight Bore Burette with Glass Key Stopcock Class A

Traditional high-vacuum glass stopcock for precise manual flow control. Preferred where PTFE is incompatible with certain solvents.

S.No CapacitySubdivision
1 10 mL 0.05 mL
2 25 mL 0.05 mL
3 50 mL 0.10 mL
4 100 mL 0.20 mL

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Rotaflow Key with PTFE Needle Valve — Class A

ISO 385

Class A
Borosilicate Burette with Rotaflow PTFE Needle Valve Class A

Rotaflow needle valve for fingertip flow control. Ideal for fast, high-precision titrations requiring very fine endpoint control.

S.No CapacitySubdivision
1 10 mL 0.05 mL
2 25 mL 0.05 mL
3 50 mL 0.10 mL
4 100 mL 0.20 mL

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Amber Coating — Straight Bore with PTFE Key — Class A

ISO 385

Class A · UV Protected
Amber Coated Borosilicate Burette Straight Bore PTFE Key Class A

Amber coating blocks UV light — essential for titrations using silver nitrate, iodine, potassium permanganate, and other light-sensitive reagents.

S.No CapacitySubdivision
1 25 mL 0.05 mL
2 50 mL 0.10 mL

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Amber Coating — Rotaflow Key with PTFE Needle Valve — Class A

ISO 385

Class A · UV Protected
Amber Coated Borosilicate Burette Rotaflow PTFE Needle Valve Class A

Combines Rotaflow precision flow control with full UV shielding for demanding pharmaceutical and environmental titrations.

S.No CapacitySubdivision
1 25 mL 0.05 mL
2 50 mL 0.10 mL

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Automatic — Rotaflow Key with PTFE Needle Valve — Class A

ISO 385

Class A · Auto
Automatic Burette Rotaflow Key PTFE Needle Valve Class A with Reservoir

Self-refilling from reservoir. Rotaflow needle valve and PTFE body for rapid, high-volume repeat titrations without manual refilling.

S.No CapacitySubdivision
1 25 mL 0.05 mL
2 50 mL 0.10 mL

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Automatic — PTFE Stopcock, Amber — Class A

ISO 385

Class A · Auto · UV Protected
Automatic Amber Borosilicate Burette PTFE Stopcock Class A

Automatic zeroing with amber UV protection and PTFE stopcock. Designed for repeat light-sensitive titrations in pharmaceutical QC labs.

S.No CapacitySubdivision
1 25 mL 0.05 mL
2 50 mL 0.10 mL

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Micro Burette — Class AS, Blue Graduated, Lateral PTFE Valve

ISO 385

Class AS · Micro
Micro Burette Class AS Blue Graduated with Lateral PTFE Valve Stopcock

For ultra-small volume titrations. Blue graduated scale, lateral PTFE valve stopcock, and Bang socket for microtitration work.

S.No CapacitySubdivision
1 1 mL 0.005 mL
2 2 mL 0.005 mL
3 5 mL 0.01 mL
4 10 mL 0.02 mL

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Burette — Glass with Pinch Clip

ISO 385

Standard
Borosilicate Glass Burette with Pinch Clip for Teaching Labs

Economical rubber-tipped pinch clip design for general teaching lab use. No glass stopcock — ideal for school and college labs.

S.No CapacitySubdivision
1 50 mL 0.10 mL

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Burette with Pinch Cork

ISO 385

Standard
Borosilicate Glass Burette with Pinch Cork

Cork-and-rubber pinch valve for simple flow control. Used in educational demonstrations and routine lab exercises.

S.No CapacitySubdivision
1 50 mL 0.10 mL

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Rubber Bellow with Cotton Net

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Accessory
Rubber Bellow Aspirator with Cotton Net for Burette Filling

Rubber aspirator bellow with cotton filter net for pressurising burette reservoirs and wash bottles. Common burette filling accessory.

S.No Size
1 Standard

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