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High Purity 1000ml PFA Volumetric Flask with Screw Cap Class A No Sticking Samples for ICP-MS Isotope AnalysisTel:+86 13913985644WhatsApp:13913985644?

Usage: The volumetric flask is mainly used for preparing accurate concentration solutions or for quantitative dilution of solutions. It is a commonly used precision instrument in laboratories, often used in conjunction with pipettes. ‌ Usage: 1. Check if the volumetric flask is leaking: Fill the flask with half a bottle of water, tighten the stopper, and observe if there is any leakage by standing upside down. If there is no water leakage, rotate the bottle stopper 180 degrees and check if there is water leakage by flipping it upside down again. ‌ 2. Washing volumetric flasks: First wash with detergent, then rinse with tap water, and finally wash with deionized water until clean. 3. Transfer solution: Place the accurately weighed solid substance into a beaker, dissolve it in a small amount of solvent, and then transfer the solution to a volumetric flask. To ensure that all solutes can be transferred to the volumetric flask, the beaker should be washed multiple times with solvent and all washing solutions should be transferred to the volumetric flask. 4. Constant volume: When the volume of the solution in the volumetric flask reaches two-thirds of its capacity, shake the flask horizontally. Continue adding solvent to the volumetric flask until the liquid level is about 1 centimeter away from the scale line, then use a dropper to carefully drip the solvent until the liquid meniscus is tangent to the scale line. 5. Mixing evenly: Close the bottle cap tightly and mix the liquid in the bottle evenly by inversion and shaking.

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Ada

Lvl 2
10mo ago
Updated: 10/20/2024

informações sobre um frasco volumétrico de PFA (perfluoroalquilo) de alta pureza, com capacidade de 1000 ml e tampa de rosca, Classe A, para análise de isótopos utilizando ICP-MS. Esse tipo de frasco é ideal para garantir a integridade das amostras devido à sua resistência a contaminantes.

Considerações:

  1. Material: O PFA é altamente resistente a produtos químicos e temperaturas, o que o torna adequado para análises sensíveis.

  2. Classe A: Garante a precisão do volume, importante para medições exatas.

  3. Antiaderente: Facilita a transferência e minimiza a perda de amostras.

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andressa araujo

Lvl 4
10mo ago

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