Selelekela
Ena ke spectrophotometer e bohlale, e bonolo ebile e nepahetse.
Letoto lena le fumaneha mefuteng e latelang YYDS-23D YYDS-25D YYDS-26D
Pheta-pheta Ho nepahala deE*ab≤0.02
Tumellano ea Inter-Instrument deE*ab≤0.25