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kristinanoel

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About kristinanoel

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  1. Hi all, As I dive into the beauty of repetition, I find myself in need of a better way to quickly and accurately measure various dimensions while throwing and trimming. The only two tools I'm aware of are the single (or multi arm) throwing gauge and the tombo sticks, and I'm looking for your pro/con experiences with either of those, a source for purchase, or any other recommendations you might have. Thanks, Kristina
  2. kristinanoel

    Food safety in glazes

    Min - thank you so much for those links! Time and again I am reminded that you really need to go back to the data and how/where it was collected before making a determination about things. For example, I've never quite understood the relative risk of using manganese dioxide in a glaze, and this paragraph from the longer version is quite illuminating: An example of ceramic glaze (and body) folklore are the reports surrounding the use of manganese (Mn) and its link to Parkinson’s Disease. Mn in a soluble form is a neurotoxin, but this data was generated from the steel industry and the conditions of exposure are dramatically different due to the vaporization of Mn during steel production (and the use of a furnace open to the local environment, that is, without a stack). Inhalation of these vapors creates a readily available reactive species for adverse interactions with the body (and internally through the lungs and mucus membranes). Even small amounts can be readily absorbed into the bloodstream. The oxides of manganese, MnO and MnO2, are both insoluble in water and do not pose a threat. The Mn is not soluble and therefore not available, cannot be absorbed through the skin or even an open cut, and even if ingested, cannot dissolve into the blood stream. Mn obtained from a salt (chloride, nitrate, or sulfate) is soluble, so if the source of Mn is a salt, exercise appropriate care.
  3. kristinanoel

    Ceramic Bakeware

    Follow up question for the experts on this - my understanding is that one of the trickiest parts of making bakeware is the clay selection and potential for cracking during use due to thermal shock (taking your pan from room temp to a hot oven and back again in under an hour). My professor has told stories of complete casserole wreckage followed by a very messy clean up. Is that just an unwarranted scare-mongering?
  4. kristinanoel

    cone 5 clear glaze for Cassius Basaltic

    Hi Winding Path Pottery - did you ever find a clear glaze recipe that works? I just got some cassius black to play with, and want a clear, white, or white matte for it if you found one!
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