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Laboratory Glassware.

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Presentation on theme: "Laboratory Glassware."— Presentation transcript:

1 Laboratory Glassware

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3 Beakers come in a variety of sizes
Beakers come in a variety of sizes. They can be nested (placed one side another) for storage.

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5 Erlenmeyer Flasks come in many sizes
Erlenmeyer Flasks come in many sizes. They may be recognized by their triangular shape.

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7 Graduated Cylinders are used to measure volume usually to the nearest 0.1 mL

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9 Test tubes come in a variety of sizes but their iconic shape is easily recognized.

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11 Crucibles with lids are used to heat substances over a flame
Crucibles with lids are used to heat substances over a flame. They fit nicely into clay triangles supported by rings clamped to ring stands.

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13 Funnels may be long stem or short stem
Funnels may be long stem or short stem. They may be made of glass, ceramic or plastic. They assist in the transfer of materials and may be used to support filter paper for filtration.

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15 A watch glass is useful for collecting a precipitate.

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17 An evaporating dish may be used to allow a precipitate to dry.

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19 Clay triangles are usually used to hold crucibles.

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21 Droppers are used to transfer liquids. They may be made of plastic
Droppers are used to transfer liquids. They may be made of plastic. A dropper that is calibrated may be called a pipette.

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23 Stirring rods are usually made of glass because glass doesn’t react with most chemicals.

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25 Spatulas are usually metal or plastic
Spatulas are usually metal or plastic. They are used to scoop dry solid chemicals and transfer them.

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27 Test tube brushes come in various sizes and colors.

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