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Inorganic Chemistry

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24 Feb 2010 11:40:48 IST

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NaCl is hygroscopic in nature then why it is used as primary standard?

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NaCl is hygroscopic in nature then why it is used as primary standard?

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Guruprasad Raghavan

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24 Feb 2010 22:46:16 IST

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If I am not mistaken NaCl is not hygroscopic but the impurities present with it ie -CaSO4 (especially in commercial table salt). That is why table salt gets hydrated because of the moisture.

Neha Somani

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19 Mar 2010 17:08:17 IST

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other ans r also welcome

siDDhESwaR MuKhErjEE

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Joined: 15 Nov 2009

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21 Mar 2010 10:51:39 IST

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well the thing is true, NaCl is not hygroscopic

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