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Identification of iron dextran

Identification of iron dextran

(1) take the product about 40mg, add water 5ml, heat to dissolve, cool, and add ammonia test liquid, should not precipitate; also take the product about 80mg, water 20ml and 5ml of hydrochloric acid, boil 5 minutes, cool, add excess ammonia test solution, produce red brown precipitation, filtration, precipitation water washing, add proper amount of hydrochloric acid to dissolve, water to 20ml, solution The differential reaction of the iron salt (Appendix III). (2) take the product about 40mg, add water 500ml, heat to dissolve, take 1ml, set up the test tube, add anthrone solution along the tube wall in the water bath (take the anthrone 0.4g, add water 10ml and the mixture of sulphuric acid 190ml to dissolve) 2ml, shake well, and heat the solution from green to blue-green.