Lenz-Laborglas Nitrogen Tubes (Schlenk-Tubes), NS 14/23 Socket, Capacity 500 ml

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Learn what laboratory mortars and pestles are used for, compare porcelain, agate, glass, stainless steel and alumina materials, and understand how to select the right option for sample preparation. This guide also covers common applications, correct grinding techniques, contamination risks, cleaning and when to use a mechanical laboratory mill.

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Explore what borosilicate glass is and why Boro 3.3 glassware is widely used in New Zealand dairy, food, environmental, biotechnology, education and university laboratories.

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A laboratory desiccator holds its contents in a dry, sealed atmosphere, protecting moisture-sensitive samples and reagents and cooling heated samples without letting them take up water. This guide covers what it is, what it is used for, the main types, the desiccants that go inside, and how it works, with an animated drying cycle and a setup finder.

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The Buchner funnel is the workhorse of vacuum filtration in New Zealand labs, separating a solid from a liquid far quicker than gravity. This guide explains what it is, what it is used for, how to set one up step by step, the main materials, and how vacuum filtration works, with an animated apparatus and a funnel finder.

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The separating funnel is the go-to tool for liquid-liquid extraction across New Zealand labs, from universities and Crown Research Institutes to environmental, water and food testing. This guide explains what it is, how it works step by step, the main shapes, and how to pick one, with an interactive process demo and finder.