ZnFe 2 0 4 +n NH 3 +4H 2 0→ [Zn (NH 3 ) n] 2+ +2Fe (OH) 3 +20H—
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2025-08-14 05:54
2022
The FDA and certain others say titanium dioxide is safe to use in foods and personal care products. The FDA provides strict guidelines on how much can be used in food. The limit is very small: no more than 1% titanium dioxide.