مصادر الكيمياء موقع لتعليم الكيمياء بصورة مبسطة
Balance An instrument used for the precise measurement of small weights or masses in amounts ranging from micrograms up to a few kilograms. Balances are differentiated according to design, weighing principle, and metrological criteria . For a given weighing task, a balance is selected primarily for its maximum weighing load (Max) and for the finest graduation or division (d) of …
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