Ground size
Specifications
Compare modelsRM 247.50
Inc. GST
BRAND Cone-Cut Stopper NS 45/40 is made from high-quality LDPE and features an 8-point internal concave design, ensuring a tight and secure seal for laboratory applications. The stopper is equipped with seal rings that provide an extra layer of security, making it ideal for use in laboratory glassware and equipment. This stopper is designed for ease of use and reliable sealing, helping to prevent contamination and ensure accurate experimental results. Sold in a pack of 10, these stoppers are essential for everyday laboratory tasks.
BRAND Cone-Cut Stoppers are the perfect solution for achieving reliable and secure seals in your laboratory processes, offering both convenience and performance.
RM 247.50
Inc. GST
Manufacturer P/N
144445 VE=10
Part Number
4.678 540
Manufacturer
BRAND
Ground size
NS 45/40
RM 27.50
Inc. GST
Manufacturer P/N
144445
Part Number
9.141 396
Manufacturer
BRAND
Ground size
NS 45/40
RM 22.00
Inc. GST
Manufacturer P/N
144440
Part Number
9.141 395
Manufacturer
BRAND
Ground size
NS 34/35
RM 209.00
Inc. GST
Manufacturer P/N
144440 VE=10
Part Number
4.678 539
Manufacturer
BRAND
Ground size
NS 34/35
BRAND Cone-Cut Stopper NS 45/40 is made from high-quality LDPE and features an 8-point internal concave design, ensuring a tight and secure seal for laboratory applications. The stopper is equipped with seal rings that provide an extra layer of security, making it ideal for use in laboratory glassware and equipment. This stopper is designed for ease of use and reliable sealing, helping to prevent contamination and ensure accurate experimental results. Sold in a pack of 10, these stoppers are essential for everyday laboratory tasks.
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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.
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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.
RM 247.50
Inc. GST
