Grapevine Ash

Notes

Grape vine ash was supposed to have been used in various medieval apothecary activities (mordant for dyes). If you have knowledge of the chemistry of this ash please contact us.

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Oxide	Analysis	Formula

Typecodes	Flux Source Materials that source Na2O, K2O, Li2O, CaO, MgO and other fluxes but are not feldspars or frits. Remember that materials can be flux sources but also perform many other roles. For example, talc is a flux in high temperature glazes, but a matting agent in low temperatures ones. It can also be a flux, a filler and an expansion increaser in bodies.

By Tony Hansen
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