O-ring joint tubes for protein hydrolyzates

✍ Scribed by N.K. Schaffer; R.A. Balakir; V. Riley; T.E. Moffitt

• Publisher: Elsevier Science
• Year: 1966
• Tongue: English
• Weight: 185 KB
• Volume: 15
• Category: Article
• ISSN: 0003-2697
• DOI: 10.1016/0003-2697(66)90251-x

✦ Synopsis

Tubes with an O-ring joint have been dc~scribed (I, 2) for protein hydrolyses in place of sealed tubes. This technique eliminates the sealing of tubes and their troublesome opening. Also tubes wit.11 O-ring joints may be used repeatedly. Previous O-ring joint aplxuxtus have been modified in several respects and the prcscnt technique has been compared with the sealed-tube method with the hydrolysis of scrinc and threonine. Features of the apparatus include: ( 1) a Teflon stopcock sealed to an O-ring connector tube, (2) a new stopcock scaling clamp to press the Teflon plug in the stopcock, (3) use of a Teflon O-ring in the O-ring joint', and (4) a new O-ring joint sealing clamp. Although spherical joint clamps