who invented filter paper and why?
Need to know wy filter paper and why
- Anonymous1 decade agoFavorite Answer
Carl Friedrich Wilhelm Ludwig (b. 29 December 1816 in Witzenhausen, Hessen, Germany; d. 23 April 1895) was a German physician and physiologist.
He studied medicine in Marburg and Erlangen. In 1842 he became a professor of physiology and in 1846 of comparative anatomy. From professorhips in Zurich and Vienna he went in 1865 to the University of Leipzig and developed there the Physiological Institute, designated today after him. Ludwig researched several topics such as the physiology of blood pressure, urinary excretion and anesthesia. He received the Copley Medal in 1884 for his research.
Since 1932 the Carl Ludwig Honorary Medal is awarded by the German Society for Cardiology to outstanding investigators in the area of cardiovascular research.Source(s): http://en.wikipedia.org/wiki/Carl_Ludwig
- LoreleiLv 44 years ago
Here is something to think about don't believe me check this stuff out... 1.Water(H2O) is the only element known to man to expand when it freezes every other element contracts when it freezes so that is the first fact. For example fill a milk jugg with water, now stick it in the freezer... come back later and it will have exploded from preassure of freezing water. 2.Icebergs are massive chunks of ice, only a few percent of the ice is above water, which means the rest of the ice is underwater. 3.The ice underwater because water expands when it freezes is displacing the liquid water. So when that iceberg melts all the ice under the water will contract and fill a smaller space, so the level of the water will be less now because the ice which was displacing the liquid water is unfrozen and now occupies a less amount of space. 4.Scientific models show that if all the ice on this planet melted we would see a 3" DROP in ocean levels NOT a rise but a DROP. Now isn't that interesting. Now for the greenhouse gasses. 1.Plants LOVE a carbon dioxide rich air supply. 2.The more carbon dioxide their is the faster they grow. 3.Plants use photosynthesis to get their food so they can grow. 4.When the plants sense a higher level of carbon dioxide they will make up for it by sucking up more and more and one of the products of photosynthesis is OXYGEN!! 5.So no matter how much CARBON DIOXIDE there is the plants will COMPENSATE and suck up more and grow faster and bigger. and the bigger the plant is the more OXYGEN it produces through photosynthesis
- 1 decade ago
Filter paper was invented to rid a liquid of solid particles.
On June 20th, 1908, the coffee filter and filter paper were patented by Melitta Bentz and her husband Hugo who started the Melitta Bentz Company.
But the Swedish chemist JJ Berzelius is regarded as the inventor of the first real filter paper. It was he who first started using pure waterleaf all-rag paper for the retention of precipitates in chemical analysis.Source(s): http://inventors.about.com/od/cstartinventions/a/c... http://www.conservation-by-design.co.uk/photon/pho...