|Object Name||Paper, Filter|
|Title||W. & R. Balston Ltd. Genuine Whatman Filter Paper, No. 1|
|Description||Cardboard box wrapped in green paper, was sealed with tape. Label on front says "100 circles, No. 1, 9.0 cms, Average Ash per Circle .0003 grams." Many circles left.|
|Collection||Lin Tsai Collection|
|Caption||W. & R. Balston Ltd. Genuine Whatman Filter Paper, No. 1|
Used by Dr. Lin Tsai. Blue label says "W.&R. Balston Ltd. Genuine Whatman Filter Paper, No. 1, Chemically Prepared Paper, Made in England." Bottom label torn but reads "No. 1, For ordinary work, retaining medium sized particles. Qualitative or rough quantitative." No. 1 filter paper was used by R. Consden, AH Gordon, and Archer JP Martin in England in 1944 at the development of paper chromatography.
Dr. Lin Tsai (1922-2003) was born in Hong Kong, coming to the United States for his Master’s and Ph.D. in Organic Chemistry. He became a naturalized citizen in 1962. He came to the National Heart, Lung, and Blood Institute in 1959, where he worked in the Laboratory of Biochemistry with Earl and Thressa Stadtman. His research focus was the stereochemical course of enzymatic reactions and the structures and syntheses of organic compounds. His most important work centered on nicotinic acid metabolism and riboflavin degradation.
|Number of images||1|
|Organizations||NIH; NHLBI, Laboratory of Biochemistry|
|NIH Property #||none|
|Old NIH Property #||none|