MP-116 Sample holder is made to fit SpectrOil M Series Rotating Disc Electrode Optical Emission Spectroscope (RDEOES). Comparable to Spectro Scientific M90200 & P-10524, SPC Science 070-010-101 and NSN 6640-01-445-1330. Made with Polypropylene homopolymer and packaged 1000 cups/pack.• Used for sample presentation to SpectrOil M/N-W, M/C-W, M/F-W, M/R and 100 series instruments• Can be used manually or with Double Disc Rapid Robot (D2R2)• Used for ASTM D6595 and ASTM D6728 test methods