prov:value
| - Further the drying agent referred to in the present invention, includes salts capable of forming hydrates, namely, salts which absorb water as crystalline water, in particular, phosphates such as monosodium phosphate, disodium phosphate, trisodium phosphate, trilithium phosphate, sodium pyrophosphate, and the like, particularly anhydrides thereof are most preferred for the present invention.
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