Colour
Specifications
Compare modelsNTD 217
Inc. VAT
The Edding Whiteboard Marker 250 in black provides bold, clear markings with a line width of 1.5 to 3 mm. This cap-off marker is designed for effortless writing, drawing, and marking on whiteboards, flipcharts, and other non-porous surfaces. With vibrant black ink, it ensures your notes and presentations are visible and easy to read. The cap-off feature allows for short-term uncapping without worrying about drying out, offering convenience and reliable performance in professional and educational settings.
The Edding 250 Whiteboard Marker in black is designed for smooth, easy writing that stands out on non-porous surfaces, making it the perfect tool for presentations, meetings, and classrooms.
Manufacturer P/N
4-250001
Part Number
9.050 698
Manufacturer
Edding
Colour
Black
Manufacturer P/N
4-250002
Part Number
9.050 707
Manufacturer
Edding
Colour
Red
Manufacturer P/N
4-250003
Part Number
9.050 708
Manufacturer
Edding
Colour
Blue
Manufacturer P/N
4-250005
Part Number
9.050 710
Manufacturer
Edding
Colour
Yellow
Manufacturer P/N
4-250004
Part Number
9.050 709
Manufacturer
Edding
Colour
Green
It provides bold, clear markings with a line width of 1.5 to 3 mm. This cap-off marker is designed for effortless writing, drawing, and marking on whiteboards, flipcharts, and other non-porous surfaces. With vibrant black ink, it ensures your notes and presentations are visible and easy to read. The cap-off feature allows for short-term uncapping without worrying about drying out, offering convenience and reliable performance in professional and educational settings.
_0.png&w=3840&q=75)
7 mins 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.
7 mins 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.
9 mins 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.
9 mins 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)
6 mins 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.
NTD 217
Inc. VAT
