Apparatus for determining hardness of metals

• Publisher: Elsevier Science
• Year: 1916
• Tongue: English
• Weight: 52 KB
• Volume: 182
• Category: Article
• ISSN: 0016-0032
• DOI: 10.1016/s0016-0032(16)90815-9

✦ Synopsis

527

dispersion curve coincides more closely to that of quartz. This difficulty is only overcome by an increased number of settings and by some preliminary experience on the part of the observer.

The specific rotation which is a function of the concentration of dextrose corresponds to the formula