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Density

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Description of key information

- The mean relative density of White liquor in a mixture with its lowest practical water content concentration of 83 %

was determined to be 1.1717 (EC 440/2008 A.3, OECD 109, pycnometric method).

Key value for chemical safety assessment

Relative density at 20C:
1.172

Additional information

In the Key study the relative density of White liquor mixture was determined by using a pycnometer method. The dry solids/water ratio of the tested sample was ca. 17/83 % by weight. As a result the mean relative density of the test substance was determined to be 1.1717. In a study report by Shen & Rosenholm (1998) White liquor mixture was determined to be 1028.3 kg/m3 (1.0283 g/l). According to Paulonis & Krishnagopalan (1994) examination of the White liquor mixture data indicated that the temperature effect on density was approximately linear over the range 70 - 90oC.