Pipet pasteur
Pipet pasteur. He describes these techniques for his students in his laboratory manual published in 1899. The pipettes were made from lengths of standard glass tubing of about fourteen inches. The tubes were heated in the middle over a blast-lamp until soft and the two ends slowly drawn apart to form a long thin capillary.
This was then heated again at the center to completely seal and divide the tube thus forming two pipettes. The pipettes were then sterilized and cotton plugs inserted in the open end to prevent further contamination. Thus prepared, a quantity of pipettes could be kept on hand until needed during investigations.
Fungsi pipet tetes
Labu destilas digunakan untuk menampung zat-zat, utamanya zat yang memiliki titik lebih tinggi ketika proses destilasi. Alat yang ada di laboratorium kimia ini mempunyai pipa yang mengarah kesisi. Pipa tersebut nantinya disambungkan pada gelas pendingin pada saat digunakan untuk destilasi.
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Gallery of Pipet pasteur
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