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~Ingredient: magnesia.
Physical and chemical indicators:
refractoriness: 1100 (ash blowing temperature is generally not more than 960 degrees Celsius).

Features:
1. Multiple samples can be obtained at a time, greatly improving the work efficiency
2. High refractoriness, quick absorption, recovery rate of 97% - 97%,
3. Easy to use, do not need to edge grinding,

Advantage: due to the use of this plate cupel standard gold and all samples are to be carried out within the same cupel ash blowing, so the result more accurate and more reliable.