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Standard Practices for Verification and Calibration of Polarimeters
STANDARD published on 10.5.1999
Designation standards: ASTM C1426-99
Note: WITHDRAWN
Publication date standards: 10.5.1999
SKU: NS-11203
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
calibration, glass, polarimeter, ICS Number Code 71.040.10 (Chemical laboratories. Laboratory equipment)
1. Scope | ||||||||||
1.1 Polarimeters of polariscopes used for measuring stress in glass are described in Test Methods F218, C148, and C978. These instruments include a light source and several optical elements (polarizers, optical retarders, filters, and so forth) that require occasional cleaning, realigning, and calibration. The objective of these practices is to describe the calibration and verification procedures required to maintain these instruments in calibration and ensure that the optical setup is within specification for satisfactory measurements. 1.2 It is mandatory throughout these practices that both verification and calibration are carried out by qualified personnel who fully understand the concepts used in measurements of stress retardation and are experienced in the practices of measuring procedures described in Test Methods F218, C148, and C978. |
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2. Referenced Documents | ||||||||||
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