الغرض من المنافسة ·One time PPM for ABSORBANCE and FLUORESCENCE Detectors Liquid Chromatograph systems , BME# 19562 , 19564 , 19565 , 42361 & 42378 , S/N: M12UPB399A , F11UPA106M , VBA846 , L07475 022M & L07487 250 M (
