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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.

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.

7 mins read

pH meters are essential laboratory instruments used to measure how acidic or alkaline a liquid sample is. They are widely used in research, water testing, food and beverage analysis, education, environmental monitoring, quality control and manufacturing where accurate and repeatable pH measurement is required.

6 mins read

Magnetic stirrers and hot plate stirrers are essential laboratory instruments used for consistent mixing, solution preparation and controlled heating. They are commonly used with beakers, flasks and bottles to dissolve solids, prepare reagents, maintain suspensions and support routine sample preparation across research, education, quality control and industrial laboratories.

4 mins read

Purchasing from LabFriend offers laboratories a practical mix of product range, brand choice, online convenience, and procurement support. This article explains the key benefits of buying from LabFriend, from access to a large multi-brand catalogue and flexible payment options to manufacturer-backed warranty and helpful educational content.

3 mins read

Choosing the right borosilicate glass beaker brand can affect durability, chemical resistance, thermal performance, and day-to-day usability in the laboratory. This guide highlights five leading brands for borosilicate glass beakers, DURAN, PYREX, Scherf, ISOLAB, and LLG Labware, and explains what makes each one a strong choice for different laboratory needs.

4 mins read

Choosing the right pipette brand can improve accuracy, comfort, and consistency in daily laboratory work. This guide highlights five leading pipette brands for laboratories, Eppendorf, BRAND, Gilson, Sartorius, and Thermo Scientific, and explains what makes each one a strong choice for different liquid handling workflows.

3 mins read

Learn what a separating funnel is, the science behind liquid-liquid extraction, how to use one correctly step by step, the different types available and how to choose the right funnel for your application.

10 mins read

A graduated cylinder is a essential laboratory tool for measuring liquid volumes accurately. This guide explains what it is, how to read the meniscus correctly, the difference between Class A and Class B, glass vs plastic options, and how to choose the right size for your application.