File:CaPhytatePreparation1.JPG
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Preparation of calcium phytate for washing iron gall ink manuscripts, following the instructions on the Iron Gall Ink Website (May 2007): https://irongallink.org/images/file/pdf%209_preparation%20of%20calcium%20phytate_ok.pdf. Calcium carbonate powder has been added to phytic acid solution and mixed with cold deionized water. The pH is being gradually increased by adding 3% ammonium hydroxide. In this image, the pH reads as 5.24, and the solution is transparent. Image taken April 2024 by Jennifer Evers.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:24, 22 April 2024 | | 2,037 × 2,715 (371 KB) | Kkelly (talk | contribs) | Preparation of calcium phytate for washing iron gall ink manuscripts, following the instructions on the Iron Gall Ink Website (May 2007): https://irongallink.org/images/file/pdf%209_preparation%20of%20calcium%20phytate_ok.pdf. Calcium carbonate powder has been added to phytic acid solution and mixed with cold deionized water. The pH is being gradually increased. In this image it reads as 5.24, and the solution is transparent. |
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