PATIKIL 50ml Volumetric Flask, 2Pcs 3.3 Borosilicate Glass Graduated Volumetric Measuring Flask with Glass Stopper Tolerance 0.32ml for Lab Experiment, Amber

About this item

• •The volumetric flask is used to accurately prepare a liquid solution of a certain substance's concentration. These flasks are suitable for use in professional laboratories and other settings where chemicals are used.
• •Specification
• •Capacity:50ml
• •Color: Amber
• •Material: 3.3 Borosilicate Glass
• •Size:160 X 47mm/6.3 X 1.85 inch (H*OD)
• •Flask Neck Outer Diameter:14mm / 0.55 inch
• •Flask Neck Inner Diameter:10mm / 0.39 inch
• •Flask Cap Diameter:9 mm / 0.35 inch
• •Tolerance:20 degrees celsius±0.05ml
• •Packing List:2Pcs X Volumetric Flask
• •Advantage
• •1. The volumetric flask and the stopper are made of low expansion coefficient thickened borosilicate glass which can resist high and low temperatures and has superior chemical durability.
• •2. The bottle mouth has a glass stopper to reduce evaporation and prevent liquid leakage. The long neck shape is convenient for holding and shaking to mix liquid.
• •3. The transparent bottle body and accurate white graduation line ensure the accuracy of your experiments.
• •Instruction
• •When pouring liquid, use a glass rod to slowly transfer the solution, when the liquid is close to the scale line, you can use a dropper to drip slowly until the liquid concave surface reaches the scale line, tighten the stopper of the bottle and shake moderately to mix the liquid evenly.
• •Note: Please use it with care to avoid damage. When mixing liquids, make sure the cap is tightly closed. When you finish using the volumetric flask, please remember to clean it and ensure it is dry after cleaning.

Specifications

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