Video – Flash Rusting of Four Water Drops on Iron


Transcript of the video "Flash Rusting of Four Water Drops on Iron"

Length of video: 00:01:02

No narration during this video.

Text on screen: Flash rusting of four water drops on iron. Time elapsed: 4 hours/40 minutes.

Four drops of tap water have been placed on a carbon steel coupon. Time-lapse photography shows the iron rusting under the four droplets of water. First, orange corrosion forms on the coupon. The corrosion darkens in colour as the droplet of water dries. When the water has dried, a powdery orange residue is left on the coupon.

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This video was created by the Canadian Conservation Institute and is part of the Understanding flash rusting learning resource.

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