Letter | Published:

Ethereal Sulphate Content of Agar Specimens

Nature volume 154, pages 673674 (25 November 1944) | Download Citation



IN 1942, through the kindness of Dr. A. P. Orr of the Marine Station, Millport, specimens of agars of known history were examined to see if evidence could be secured for the formulation of Jones and Peat1, which demands a relatively high sulphur content (S, 1·8 per cent; that is, SO4, 5·4 per cent).

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    and , J. Chem. Soc., 225 (1942).

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    and , Chem. and Ind., 63, 167 (1944).

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    and , J. Chem. Soc., 750 (1942).

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    and , Chem. and Ind., 57, 937 (1938).

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    and , U. Chem. Soc., 1844 (1939).

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    and , J. Chem. Soc., 830 (1941).

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  1. King's Buildings, University of Edinburgh.

    • E. G. V. PERCIVAL


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