Qualitative Filter Paper

塩酸およびフッ化水素酸で処理された純粋なセルロースから作られたろ紙は、優れた保持力と流速を備え、濾過用途に使用されます。これらのセルロースフィルターは、液体や空気の流れに対して垂直に半透過性のバリアを形成し、微細な物質を分離します。粗ろ過から精密ろ過まで、さまざまな実験に対応するため、複数の等級のろ紙が利用可能です。Avantor は、さまざまな孔径、粒子保持力、流速、ろ過時間を備えた定性および定量ろ紙を幅広く提供しています。

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VWR®, Quantitative filter papers, grade 415

Supplier: VWR Collection

Suitable for coarse precipitates such as aluminium hydroxide, cobalt carbonate, mercury iodide, magnesium hydroxide and more.

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VWR® Qualitative Filter Papers, Grade 417

Supplier: VWR Collection

Useful for rapid filtrations where fine particle retention is not required.

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VWR®, 定性濾紙

Supplier: VWR Collection

These highly pure filter paper grades are produced from cellulose fibers with an alpha-cellulose content of nearly 100%, in accordance with precise quality standards. The ash content is approximately 0.06%.

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VWR®, Qualitative filter papers, grade 410

Supplier: VWR Collection

Useful for the filtration of copper(I) oxide, lead sulphate, barium sulphate, manganese carbonate and more for analytical work. Suitable for extremely difficult filtration and for clarification of wine.