| 主权项 |
1. A kit comprising an inhaler and sodium nitrite, wherein the sodium nitrite contains no greater than 0.02% by weight of sodium carbonate, contains no greater than 10 ppm of an anti-caking agent, has a loss on drying of no greater than 0.25% by weight, wherein the water content is no greater than 0.5% by weight, wherein the heavy metal content is no greater than 10 ppm, contains no greater than 0.4% by weight of sodium nitrate, contains no greater than 0.005% by weight of insoluble matter, contains no greater than 0.005% by weight of chloride, contains no greater than 0.01% by weight of sulfate, contains no greater than 0.001% by weight of iron, contains no greater than 0.01% by weight of calcium, contains no greater than 0.005% by weight of potassium, contains no greater than 0.05 ppm of mercury, contains no greater than 2 ppm of aluminum, contains no greater than 3 ppm of arsenic, contains no greater than 0.003% by weight of selenium, contains no greater than 5000 ppm of ethanol, contains no greater than 3000 ppm methanol, wherein the total non-volatile organic carbon content is no greater than 10 ppm, and contains no greater than 0.25 EU/mg of bacterial endotoxins;
wherein the sodium nitrite contains no less than 98% by weight of sodium nitrite; wherein the sodium nitrite contains no less than 99.8% by weight of sodium nitrite as measured by Ion Chromatography analysis; wherein a 10% aqueous solution of the sodium nitrite at 25° C. has a pH value between 8 and 9; and wherein the sodium nitrite has total aerobic count of microbial load of no greater than 100 CFU/g and has total yeast and mold count of no greater than 20 CFU/g. |
