3 ms·
https://www.amazon.de/gp/product/B0114G2SZ8/ref=ask_ql_qh_dp_hza?th=1 https://www.amazon.de/gp/product/B0114G2SZ8/ref=ask_ql_qh_dp... comments by the seller ind
by heeen2 4y ago
https://www.amazon.de/gp/product/B0114G2SZ8/ref=ask_ql_qh_dp_hza?th=1 https://www.amazon.de/gp/product/B0114G2SZ8/ref=ask_ql_qh_dp...
comments by the seller indicate that it is europium doted strontium aluminate - maybe some chemist can comment if this is the same stuff.