OptiMelt Automated Melting Point System - Stanford Research ...
OptiMelt Automated Melting Point System - Stanford Research ...
OptiMelt Automated Melting Point System - Stanford Research ...
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Appendix B <strong>Melting</strong> <strong>Point</strong> Certified Reference Standards 89O100MPS CRS Kit<strong>Stanford</strong> <strong>Research</strong> <strong>System</strong>s supplies a calibration kit, SRS Part#O100MPS, consisting ofthree standard compounds with rated melting points traceable to WHO CRSs. The kit isspecifically designed to check the temperature offset calibration of your <strong>OptiMelt</strong> systemaccording to WHO certification requirements and to correct the temperature offsets ifnecessary. Clear points are used for the calibration of temperature offset corrections(TOCs). For detailed calibration instructions consult Chapter 4 of this manual.The three reference substances included in the O100MPS kit were carefully selected tomatch the calibration requirements of <strong>OptiMelt</strong>.SubstanceSRS O100MPS-CRS KitStart/Stop(*)(°C)Clear <strong>Point</strong>(#)(°C )AnalysisMethodVanillin 78/88 83.0 VanillinPhenacetin 131/141 135.9 PhenacetinCaffeine 232/242 237.0 Caffeine(*) Ramping rate is 1°C/min for the three compounds. (#) Nominal Value.Each CRS Kit is packaged in a plastic box with two separate labels that (1) identify thechemicals and (2) list the recommended sample preparation procedure (See Figure 42).Approximately 1 gram of each chemical is provided in the kit and the chemicals do nothave an expiration date. The rated melting points for the standards are listed on the labelsattached to the bottles.<strong>OptiMelt</strong> <strong>Automated</strong> <strong>Melting</strong> <strong>Point</strong> <strong>System</strong>
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