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Standard Practices for Verification and Calibration of Polarimeters
Automaticky přeložený název:
Standardní postupy pro ověřování a kalibrace Polarimetry
NORMA vydána dne 10.5.1999
Označení normy: ASTM C1426-99
Poznámka: NEPLATNÁ
Datum vydání normy: 10.5.1999
Kód zboží: NS-11203
Počet stran: 3
Přibližná hmotnost: 9 g (0.02 liber)
Země: Americká technická norma
Kategorie: Technické normy 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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