In a concentration of 1 per cent the ammonium salts of weak acids react positively with ninhydrin. by on March 14, 2009 www.jbc.orgDownloaded from. V. J. Harding and F. H. S. Warneford 335 3. In very high concentration the ammonium salts of the strong mineral acids give a positive ninhydrin reaction.
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During 2008, 53 homes sold in Laurelhurst, ranging in price from $282,000 to $3.55 million, with a median price of $905,000, according to figures compiled by Windermere Real Estate, which noted that the typical Laurelhurst home has four bedrooms, 2.5 baths and 3,020 square feet.