11. By volume filtration the particles are caught in the bulk of the filter paper . 12. The compound diffuses from the filter paper into the agar. 13. Generally, filter papers are used with laboratory techniques such as gravity or vacuum filtration. 14. The filter paper is retrieved and weighed to determine the weight of sweat collected. 15. Ford spokesman Glenn Ray said a supplier put the wrong chemical on the filter paper . 16. The trick was to carry filter paper saturated with the ground-up queen bee mandible glands. 17. Meanwhile, place the filter paper in the filter cone or basket or your drip pot. 18. Filter papers are widely used in laboratory experiments across many different fields, from biology to chemistry.19. Coffee filter paper is another unusual material choice. 20. Make sure to squeeze all the water out of the cheesecloth or filter papers before use.
