An improved technique for labelling sand with Au198
β Scribed by B.L. Campbell
- Publisher
- Elsevier Science
- Year
- 1963
- Weight
- 447 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0020-708X
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## Abstract A Reineck Box core sampler has been modified for quantitative use in the marine benthos. The modifications are inexpensive and easily accomplished in any machine shop. Samples have been successfully taken in medium coarse to fine sands for layer by layer analysis. The apparatus has a hi
3'-0Acetylthymidine (I) was converted to the 0-acetoxy aldehyde (3) using a modified Swern oxidation procedure. The crude product was reduced with sodium borodeuteride to give, after chromatography, [5'-2H]-3'-CL-acety1thymidine (4) in 68% overall yield from -1. The extent of deuterium incorporation