AbstractStrips of gelatin film were prepared from three commercial gelations and tested for tensile strength on an Instron universal tester. Some of the strips were made from plain gelatin and others from gelatin which had been deionized, treated with formaldehyde, chrome alum, or acetic acid. Strips were also prepared at 10 and 55°C. The results showed the greatest deviation for the acetic acid‐ and heat‐treated gelatins. An attempt is made to account for the res
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