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EVRINTH

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Laboratory labware

Glass and plastic labware selection by chemical compatibility, accuracy class and the task on the bench.

26 articles

Glass beakers and graduated cylinders holding blue and clear liquids on a dark lab bench

labware

A glossary of labware terms

Definitions of the labware words that change a result: class marks, to contain and to deliver, joint size, resin, sterile and clean.

8 October 2026 · 7 min read

Glass beakers and graduated cylinders holding blue and clear liquids on a dark lab bench

labware

Beakers are for handling not for accuracy

Why a beaker graduation is only a handling guide, and when a concentration other people will reuse belongs in a volumetric flask.

8 October 2026 · 7 min read

Glass beakers and graduated cylinders holding blue and clear liquids on a dark lab bench

Pillar · labware

Choosing laboratory glassware

How to match borosilicate beakers, flasks and volumetric glass to the measurement you need, and when a printed line is only a guide.

8 October 2026 · 8 min read

Cryo-gloved hand lifting a rack of cryovials from a liquid nitrogen dewar with vapour rising

labware

Cryovials and seal design

How internal thread, external thread and an O-ring relate to a manufacturer's limit of nitrogen vapour or liquid-phase storage.

8 October 2026 · 7 min read

Glass beakers and graduated cylinders holding blue and clear liquids on a dark lab bench

labware

Dishwasher residues and enzyme assays

How detergent film from a washer inhibits enzymes and cells, and which rinse and dedicated-glass terms belong in a method.

8 October 2026 · 7 min read

Stacked boxes of pipette tips in blue racks

labware

Filter tips versus standard tips

When a filter tip is the right aerosol barrier for nucleic acid, culture or radioisotope work, and why the pipette still sets accuracy.

8 October 2026 · 8 min read

Glass beakers and graduated cylinders holding blue and clear liquids on a dark lab bench

labware

Glass bottles caps and autoclave cycles

How to specify a glass bottle and cap for steam sterilisation, including thread, headspace, loosened caps, and thermal shock.

8 October 2026 · 7 min read

Glass beakers and graduated cylinders holding blue and clear liquids on a dark lab bench

labware

Graduated cylinders and their tolerance

Why two people disagree on a graduated cylinder, how meniscus and tilt create the error, and when the job belongs in a flask.

8 October 2026 · 7 min read