This is exactly key. In GMP pharmaceutical manufacturing, you have to spell EVERYTHING out - chemical compound, the manufacturer, the batch. I'm quite surprised

This is exactly key. In GMP pharmaceutical manufacturing, you have to spell EVERYTHING out - chemical compound, the manufacturer, the batch. I'm quite surprised that the nuclear industry doesn't follow the same level of rigor - there ought to have been some sort of SOP document for which sorbents to mix with radioactive nitrates.