Primary laboratory techniques

1.

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‫التقنيات المعملية األولية‬
‫‪Primary Laboratory Techniques‬‬
‫د‪ .‬فتحي امـحمد قندي‬

2.

Tweezers
• Soldering Tweezers:
• Materials:
Stainless steel tips
Wooden handles
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3.

Tweezers
• Soldering Tweezers:
• Features:
Smooth cross action
• Usage:
To pick up the solder and place it in the joint
during soldering operations.
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4.

Tongs
1. Ring / Furnace Tongs:
• Materials:
Stainless steel
• Usage:
Gripping crucible.
• Features:
Corrosion resistant
High strength
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5.

Tongs
1. Ring / Furnace Tongs:
• Requirements:
Unique design to prevent heat injuries.
Light in weight.
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6.

Tongs
2. Flask Tongs:
• Materials:
Aluminum
• Usage:
For safe and easy handling of hot flasks when
boiling out and processing.
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7.

Tongs
2. Flask Tongs:
• Features:
Corrosion resistant
High strength
• Requirements:
Unique design to prevent hot water burns.
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