Colour septa
Material septa
Shore hardness
Slit
Thickness
Specifications
Compare modelsAlternative in-stock items
SG $329.83
Inc. GST
The Hilgenberg NMR Septum Cap is meticulously designed to provide a secure and reliable seal for 5 mm NMR tubes, ensuring sample integrity during nuclear magnetic resonance spectroscopy. Constructed from high-quality silicone with a white exterior and a blue PTFE (polytetrafluoroethylene) lining, these caps offer exceptional chemical resistance and durability. With a hardness rating of 55° Shore A and a thickness of 0.9 mm, the slitted design facilitates the addition of substances into the closed tube for titration experiments without the need to open the tube, enhancing convenience and maintaining an airtight seal. Packaged in sets of 100, these septum caps are essential accessories for laboratories seeking consistent and dependable sample containment solutions.
These NMR septum caps are indispensable for laboratories aiming for precision and reliability in their NMR spectroscopy applications.
SG $329.83
Inc. GST
Manufacturer P/N
332521
Part Number
4.672 073
Manufacturer
Hilgenberg
Colour septa
White/blue
SG $233.48
Inc. GST
Manufacturer P/N
332520
Part Number
9.783 365
Manufacturer
Hilgenberg
Colour septa
Red/transparent
Closing caps for 3 and 5 mm NMR and EPR tubes
It is meticulously designed to provide a secure and reliable seal for 5 mm NMR tubes, ensuring sample integrity during nuclear magnetic resonance spectroscopy. Constructed from high-quality silicone with a white exterior and a blue PTFE (polytetrafluoroethylene) lining, these caps offer exceptional chemical resistance and durability. With a hardness rating of 55° Shore A and a thickness of 0.9 mm, the slitted design facilitates the addition of substances into the closed tube for titration experiments without the need to open the tube, enhancing convenience and maintaining an airtight seal. Packaged in sets of 100, these septum caps are essential accessories for laboratories seeking consistent and dependable sample containment solutions.
_0.png&w=3840&q=75)
1 min read
Cleaning laboratory glassware properly is essential for accurate, safe, and repeatable lab work. This guide explains how to remove stubborn residue from beakers, flasks, bottles, volumetric glassware, and other lab glassware, including grease, dried salts, biological residue, stains, and burnt deposits. It also covers safe cleaning methods, common mistakes, drying and storage tips, and when damaged glassware should be replaced.
1 min read
Pipette calibration helps laboratories confirm that liquid handling results remain accurate, repeatable, and traceable. This guide explains how pipettes are calibrated to ISO 8655 standards, including gravimetric testing, environmental control, correct tip selection, volume testing, calibration records, and common mistakes to avoid. It also covers when to use in-house calibration and when an external calibration service may be more suitable.
1 min read
A free molarity and dilution calculator covering four essential lab calculations: C1V1=C2V2 dilution (solve for any unknown), molarity from mass, mass from molarity, and serial dilution table generation. Includes worked examples, a concentration units guide and step-by-step preparation instructions for every result.
1 min read
Free online buffer preparation calculator. Select your buffer system, enter target pH, concentration and volume, and get an exact lab-ready recipe with reagent masses and step-by-step instructions. Covers PBS, Tris-HCl, sodium phosphate, acetate, HEPES, MOPS and more.
_0.png&w=3840&q=75)
1 min read
Laboratory balances are essential weighing instruments used to measure samples, reagents, powders, chemicals and materials with accuracy and consistency. They are commonly used in research, education, quality control, pharmaceutical testing, food testing, industrial laboratories and general scientific workflows.
SG $329.83
Inc. GST
