After asking Youk if he's asleep, Kevorkian then injects potassium chloride to stop Youk's heart.

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Potassium chloride has been employed as a salt substitute in certain situations in the past, but relatively sparingly.

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Investigators said he used the potentially heart-stopping drug potassium chloride, vials of which were found in his home and car.

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On the tape, Kevorkian injects muscle relaxant into Youk's arm to stop his breathing, and then injects potassium chloride to stop his heart.

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While too much sodium is associated with cardiovascular problems, too little potassium can have the same effect, so potassium chloride has a double benefit.

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The third drug, and the final one, is called potassium chloride.

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Nu-Tek Salt has come up with a way to replace salt, or sodium chloride, in food with a proprietary crystal fashioned from potassium chloride and an organic acid. (see photo.) It tastes like salt, behaves like salt in recipes, and has the same texture and feel.

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Chemically, potash is potassium chloride (KCl) which is a metal halide salt composed of potassium and chlorine.

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It had developed only eight reagent beads--enough for glucose and liver function, for example, but not enough to measure chloride or potassium.

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