LGC Standard
2-Chloroanthraquinone – Melting point 209.73 ºC (ERM-FC022)
Anisic acid – Melting point 183.5 ºC (ERM-FC023)
Human Serum – Digoxin, high level (ERM-DA200)
Human Serum – Testosterone, high level (ERM-DA345)