|Object Name||Paper, Filter|
|Title||W. & R. Balston Ltd. Genuine Whatman Filter Paper, No. 54|
|Description||Cardboard box with blue label on front "Made in England, No. 54, 11.0 cms, 100 circles." Large green label. Full of circles. Also has a Fisher Scientific Co. and Eimer & Amend label on the side.|
|Collection||Lin Tsai Collection|
|Caption||W. & R. Balston Ltd. Genuine Whatman Filter Paper, No. 54|
Used by Dr. Lin Tsai. Has paper inside with chart entitled "Classification of ‘Whatman’ High-grade Filter papers in Relation to Speed." Bottom label reads: "No. 54 has extraordinary WET STRENGTH, approximately 8 to 9 times that of a good Filter Paper of similar thickness. Rapid filtering, suitable for Iron Oxide, Alumnina and Silica ppts. Resists NaOH of all usual concentrations. When not ignited can be washed and used for further ppts. No. 54, 11.0 cm, Average Ash per Circle 00022 gram."
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|