Labeling Crucibles - Unique Identifier with Ferric Chloride

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In summary, labeling crucibles with a unique identifier using ferric chloride is a safe and effective way to track and identify individual crucibles during experiments and analysis. Ferric chloride creates a permanent etched mark on the crucible's surface without damaging the material. It is important to take proper safety precautions when using ferric chloride and the labels cannot be removed once applied. While there are alternative methods for labeling crucibles, they may not be as long-lasting or visible as using ferric chloride.
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iross75
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We have a new batch of crucibles that I want to mark with an unique identifier. From memory a ferric chloride solution should do the trick?
 
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  • #2
Feric chloride solution followed by drying and then firing to cherry red heat.
 
  • #3


Yes, using a ferric chloride solution is a common method for labeling crucibles with a unique identifier. Ferric chloride is a strong oxidizing agent that can etch into the surface of the crucible, creating a permanent mark. It is important to note that the concentration and application of the ferric chloride solution should be carefully controlled to ensure a clear and accurate label. Additionally, proper safety precautions should be taken when handling ferric chloride as it can be corrosive and toxic.
 

FAQ: Labeling Crucibles - Unique Identifier with Ferric Chloride

What is the purpose of labeling crucibles with a unique identifier using ferric chloride?

The purpose of labeling crucibles with a unique identifier using ferric chloride is to easily identify and track individual crucibles during experiments and analysis. This helps to prevent mix-ups and ensure accurate data collection.

How does ferric chloride label crucibles with a unique identifier?

Ferric chloride is a corrosive compound that reacts with metal surfaces, creating a permanent etched mark. By applying a small amount of ferric chloride to the surface of the crucible, a unique identifier can be created without damaging the material.

Is ferric chloride safe to use for labeling crucibles?

Yes, ferric chloride is safe to use for labeling crucibles as long as proper safety precautions are taken. This includes wearing protective gloves, goggles, and working in a well-ventilated area. It is also important to dispose of any leftover ferric chloride properly.

Can ferric chloride labels be removed from crucibles?

No, ferric chloride labels cannot be removed from crucibles. The etched mark is permanent and will not fade or rub off over time.

Are there any alternative methods for labeling crucibles?

Yes, there are alternative methods for labeling crucibles such as using a permanent marker or engraving the surface. However, these methods may not be as long-lasting or easily visible as using ferric chloride.

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