Filter Circles, 150mm Dia, Ashless Grade 40, 100/pk (1440-150) Olsen 7" Needle Electrode

Olsen 7" Needle Electrode

Minimal coil memory

eliminates standing column of urine

5" x 20 yds

White with colored tags

Filter Circles, 150mm Dia, Ashless Grade 40, 100/pk (1440-150) Olsen 7" Needle ElectrodeWhatman filter papers are world renowned as the standard for laboratory filtration and are associated with quality, reliability and customer service. Manufactured from high quality cotton linters, which have been treated to achieve a minimum alpha cellulose contact of 98%. Used for general filtration and exhibit particle retention levels down to 2. 5 m. Used in qualitative analytical techniques to determine and identify materials. Offers a wide choice