The Biltmore Estate is a French Renaissance-style mansion near Asheville, North Carolina, built by George Washington Vanderbilt II between 1889 and 1895. It is the largest privately-owned in the United States, at 175,000 square feet and featuring 250 rooms.
A triiodide (I 3 â) solution formed by mixing iodine and iodide (usually from potassium iodide) is used to test for starch; a dark blue color indicates the presence of starch.
Tests may include: 1  Blood test(s)- to check for infection and inflammation or other cause of symptoms such as celiac disease. 2  Stool sample- to check for parasite infections and hidden blood. 3  Lactose breath hydrogen test- to find out if you have trouble digesting milk products.  Abdominal x-ray- to check internal organs.