Tenders for Supply of Set Of Items For Lube Oil Sample Suitable For Moa-Ii Plus Model Spectrometer Consists Of 1. Alpha Make Graphite Disc Electrode Size:- Od - 0.492 Inch, Id - 0.125 Inch, Width - 0.20 Inch For Rotating Disc Electrode Spectrometer, Qty. 1000 Nos. 2. Sample Cups, Qty. 1000 Nos.