ПОМОЖЕМ СОСТАВИТЬ БЮДЖЕТ НА ТОРГИ ПО ПРЕДМЕТУ ЗАКУПКИ: ПИТАТЕЛЬНЫЕ СРЕДЫ, ДИСКИ С АНТИБИОТИКАМИ, СЫВОРОТКИ ДИАГНОСТИЧЕСКИЕ, БЫСТРЫЕ ТЕСТЫ т. 099-207-04-66 Дмитрий Standard-titres for preparation of sample buffer solutions, pH-metry
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  • Standard-titres for preparation of sample buffer solutions, pH-metry

Standard-titres for preparation of sample buffer solutions, pH-metry

Fixanal for pH-metry

1. A method of using exemplary buffer solutions from fixans.

For the preparation of sample buffer solutions, the contents of the ampoule must be quantitatively transferred to a liter volumetric flask and dissolved in distilled water at a temperature of 20 ° C.

When preparing buffer solutions of phosphates and borax, distilled water, freed from carbon dioxide, should be used.

The remaining buffer solutions (potassium tetraoxalate, potassium tartrate and potassium phthalate acid) can be prepared on ordinary distilled water.

The sample buffer solution of potassium tartrate must be saturated at 25 ° C. During preparation, it must be shaken for a long time and thermostated at 25 ° C. Then filter

2. The method of transfer fixanal into a flask.

Before using fixanal it is necessary to remove the label from the ampoule and rinse the outer surface with distilled water

Delivery time: 5 p. e.

The information is actual: 05/04/2018


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Standard-titres for preparation of sample buffer solutions, pH-metry

  • 300.00 грн


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