Description
4% m/v holmium oxide in 10% v/v perchloric acid. This is the most widely used reference for wavelength qualification and is accepted by all major pharmacopoeias and regulatory authorities. This containing a series of 14 sharp peak range from 240 to 650 (241, 250, 278, 288, 334, 346, 361, 385, 417, 451, 468, 485, 537, 641nm)
