Burette with Straight Bore PTFE Key stopcock Schell Bach Stripe

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Burette with Straight Bore PTFE Key stopcock Schell Bach Stripe

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Burette with Straight Bore PTFE Key stopcock Schell Bach Stripe Specification

Shape
Cylindrical, straight

Glass Type
Borosilicate glass

Display Type
Graduated with Schell Bach Stripe for clear meniscus reading

Accuracy
Class A, as per ISO standards (typically 0.05mL/25mL)

Temperature Resistance
Typically up to 200C (glass component)

Control Type
Manual stopcock control

Features
Schell Bach blue/white stripe for accurate readings, straight bore PTFE key for chemical resistance

Type
Burette with Straight Bore PTFE Key Stopcock, Schell Bach Stripe

Dimension (L*W*H)
Varies by capacity (e.g. 25mL: approx. 520mm height, 50mL: approx. 660mm height)

Equipment Type
Volumetric laboratory glassware

Equipment Materials
Borosilicate glass, PTFE

Material
Borosilicate glass with PTFE key stopcock

Application
Titration and laboratory measurement of liquid volumes

Capacity (Ltr)
Available in 10mL, 25mL, 50mL, 100mL sizes

Stopcock Material
PTFE (Polytetrafluoroethylene), straight bore for precision flow

Compliance
ISO 385, Class A or B

Meniscus Visibility
Enhanced with Schell Bach Stripe

Packaging
Individually packed or as per requirements

Marking Area
White panel for easy labeling

Autoclavable
Yes, autoclavable at standard conditions

Chemical Resistance
Highly resistant to acids, bases, and solvents

Calibration
Conforms to ISO and DIN standards

About Burette with Straight Bore PTFE Key stopcock Schell Bach Stripe

Burette with Straight Bore PTFE Key stopcock Schell Bach Stripe

Burette with Straight Bore PTFE Key stopcock Schell Bach Stripe. Accuracy as per AS DIN 12700 ISO 385 With Individual Work Certificate, Serially numbered, (Waiting time 30-seconds).

Cap. ml.

Sub. Div. ml.

Tolerance (ml)

0.05

0.020

0.10

0.050

0.10

0.050

100

0.20

0.100

Exceptional Precision and Chemical Resistance

Engineered with a straight bore PTFE key stopcock, this burette delivers precise, drip-free flow control for titrations. The combination of borosilicate glass and PTFE materials offers outstanding chemical resistance, making it suitable for use with strong acids, bases, and organic solvents. Its durability and easy sterilization through autoclaving at standard conditions ensure reliable, repeated usage.

Effortless Volume Reading and Calibration

The Schell Bach Stripe integrated into the burette provides a distinct visual aid, allowing for effortless and precise meniscus reading. Graduated calibrations meet ISO 385 and DIN standards, and are available in Class A or B accuracy. The cylindrical, straight shape and white marking area facilitate easy handling and clear labeling during laboratory operations.

FAQs of Burette with Straight Bore PTFE Key stopcock Schell Bach Stripe:

Q: How do I use the straight bore PTFE key stopcock for precise titration?

A: To operate the straight bore PTFE key stopcock, gently rotate the key to control liquid flow, allowing precise dropwise delivery during titrations. The straight bore design ensures consistent, accurate flow control, essential for volumetric analysis.

Q: What is the benefit of the Schell Bach Stripe on this burette?

A: The Schell Bach blue/white stripe enhances meniscus visibility against the solution, making it easier to align the liquids curvature for precise volume readings, thus reducing reading errors during measurements.

Q: When should I choose a Class A burette over Class B?

A: Choose a Class A burette when maximum measurement accuracy is required, such as in analytical chemistry or quality control labs. Class A offers tighter tolerances (typically 0.05mL/25mL) compared to Class B, ensuring more precise results.

Q: Where can I use this burette in laboratory applications?

A: This burette is suitable for titration, preparation of standard solutions, and other volumetric analyses in chemical, biological, and environmental laboratories, especially where high accuracy and chemical durability are essential.

Q: What size options are available and how do I select the right capacity?

A: The burette comes in 10mL, 25mL, 50mL, and 100mL capacities. Select a size that matches your anticipated volume measurementsthe 25mL and 50mL burettes are commonly used for typical titration procedures.

Q: How is this burette resistant to chemicals and heat?

A: Constructed from borosilicate glass and PTFE, the burette resists corrosion by strong acids, bases, and most solvents. The glass component also withstands temperatures up to 200C, allowing use in a variety of chemical protocols and autoclaving for sterilization.

Q: What is the correct process for labeling and storing this burette?

A: Utilize the white marking area on the burette for easy identification with a suitable laboratory marker. After use and cleaning, store it vertically or in appropriate racks to avoid damage and contamination.

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