Spectroanalytical Studies on Alcohol Quality by Photoelectric Spectrophotometer

A Method for Measuring Bacterial Pigments by the Use of the Spectrophotometer and the Photoelectric Colorimeter.

A photoelectric spectrophotometer suitable for the measurement of vitamin A by the antimony-trichloride reaction.

The measurement by visual methods of the fleeting blue colour of vitamin A in the antimony-trichloride reaction presents considerable difficulties which can be largely overcome by the use of photoelectric methods with corresponding increase in accuracy. The photoelectric spectrophotometer now described was constructed in I 941 when no comparable instrument of this type was commercially availabl...

Phase-resolved Crab Studies with a Cryogenic TES Spectrophotometer

We are developing timeand energy-resolved near-IR/optical/UV photon detectors based on sharp superconducting-normal transition edges in thin films. We report observations of the Crab pulsar made during prototype testing at the McDonald 2.7m telescope with a fiber-coupled transition-edge sensor (TES) system. These data show substantial (δα ∼ 0.3), rapid variations in the spectral index through t...

Application of a submicroliter spectrophotometer in visual pigment studies.

Current Address: L. Marty Martinez, Spartanburg Regional Medical Center, 101 E. Wood Street, Spartanburg, South Carolina 29303, phone (803) 853-0864 To whom correspondence should be addressed: D. Wesley Corson, Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, South Carolina, Phone (803) 792-7673, Fax: (803) 792-1723 email: [email protected] L. M...

Quality Control of Belsk’s Dobson Spectrophotometer: Comparison with the European Sub-Standard Dobson Spectrophotometer and Satellite (OMI) Overpasses

The total ozone measurements by Belsk’s Dobson spectrophotometer have been compared with the satellite total ozone taken during the OMI (on board of Aura spacecraft) overpasses for the period August 2004 – July 2006. The agreement between both data sets is much better if the results of the recent (June 2005) calibration campaign of Belsk’s Dobson at Hohenpeissenberg are incorporated to the stan...