RE:From the last NR...Tiger230 wrote: "Test 19 confirmed that by adding a solid purifying agent into the feedstock, the production of 4N+ purity Silicon Metal (99.99+% Si)(2) using 98.14% SiO2 was reachable"..
feedstock + special sauce = 99.99+
Pretty impressive so early in the process.
The special sauce is just mayo and relish. I learned that eating big macs.