Plot, on the graph paper (on the next page), the absorbance measurements for your thiocyanate standards against the concentration (micromoles/mL) of the standards. This has a value of 6 marks.

• 在下一页作图，横轴为硫氰盐离子浓度，纵轴为分光光度计读数（吸光值）。此题6分。