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EC number: 231-717-9
CAS number: 7699-43-6
The three individual determinations resulted in tap densities of 0.6667,
0.6667 and 0.6557 g/cm3.
The tap density of zirconium dichloride oxide was determined to be 0.663 g/cm3 (Bradshaw , 2010). A peer-reviewed handbook reports the density of zirconium dichloride oxide to be 1.91 g/cm3. For both values, no temperature of measurement was reported. These results are used in a weight of evidence approach to cover the endpoint.
The tap density was determined (Bradshaw, 2010) as due to the physical
and chemical nature of this substance, other methods for determining the
density are not applicable, e.g. pycnometry cannot be used as the
material changes due to loss of moisture on degassing or pressurizing
the material. Tap density was 0.663 g/cm³. The method of determination
of the value (1.91 g/cm³) reported in the handbook of Lide (2001) is not
known. It is suggested to use this information in a weight of evidence
approach to cover the endpoint.
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