run something into something. 1. to guide or route something, such as a wire or a pipe, into something or a place. The worker ran the circuit into each room. He ran in the circuit as specified. 2. to guide something into something; to drive or steer something into something else.
A change of color to a blue-black or purple color suggests that starch is present. If there is no change in color, this suggests no starch is detectable. Note the change of the iodine to black on the potato (right) but not the apple (left). (10% Tincture of iodine.) Potato contains starch, but apple does not.
Iodine is used to form iodine form which is used as an antiseptic. Also, Iodine is used in many household cleaning products.As well as in many thyroid medications in order to treat or control Thyroid disease/disorder (such as hyperthyroidism). Iodine can also be used to test food for starch.After it has been added it changes the color of the food item to black or brown.A small amount of sodium iodide salt is added to table salt to make iodized salt. Iodine, in a felttip pen, is used to test for counterfeit paper money.odine can also be used to test food for starch. After it has been added it changes the color of the food item to black or brown. A small amount of sodium iodide salt is added to table salt to make iodized salt. Iodine, in a felttip pen, is used to test for counterfeit paper money.