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EC number: 215-125-8
CAS number: 1303-86-2
The pressure readings (P1 and P2)
and the calculated volume for the calibration ball:
Certified volume (cm3)
The pressure readings calculated volumes and
density values obtained for the test material:
Temperature: 21.5 ±
density: 1838.1 kg/m3
In a GLP study according to OECD Guideline
109 the density of the test item was determined with an air comparison
pycnometer to be 1.8381 kg/L at 21.5 °C.
The relative density was calculated by
dividing the measured density at 21.5 °C (temperature not realy of
relevance for solid substances) through the density of water at 4 °C.
The value is supported by literature: Mellor
published in 1980 ( Mellor's comprehensive treatise on inorganic and
theoretical chemistry) that boric oxide has a density of 1.84 g/mL.
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