GB/T 23800-2009 Translated English of Chinese Standard. (GBT 23800-2009, GB/T23800-2009, GBT23800-2009): Heat transfer fluids - Determination of thermal stability [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This standard specifies the test method for the thermal stability of unused heat transfer fluids, including heat transfer fluids which have a maximum use temperature above their boiling point at atmospheric pressure. This standard does not evaluate the suitability of heat transfer fluids of organic silicone types. |
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accurate to 0.1 acetone or isopropyl ampoule or steel axis of yield Borosilicate glass bottle for chromatographic components after heating components mass fraction content of gaseous content of high-boiling content of low-boiling content of nonvolatile deterioration rate Dewar dry ice Figure 1a final boiling point fraction of high-boiling gas chromatography bottle gas evaporate completely gaseous decomposition products glass ampoule grams g heat transfer fluids heater HG/T high-boiling components mass ice about 70 initial boiling point intersect the simulated isopropyl alcohol low-boiling components mass mass m4 metal protective tube mixture of acetone nonvolatile decomposition products product of specimen reference oil residue room temperature SAC/TC sealed SH/T simulated distillation curve simulated distillation method specimen after heating specimen before heating specimen mass fraction stability of unused steel tester substances whose boiling tail ball including test results test temperature thermal stability transfer fluid including tube distiller uncorrected content unused heat transfer WEIGH the mass