Bismuth

a) To 0.5 g of the substance to be examined add 10 ml of dilute hydrochloric acid R or use 10 ml of the prescribed solution. Heat to boiling for 1 min. Cool and filter if necessary. To 1 ml of the solution obtained add 20 ml of water R. A white or slightly yellow precipitate is formed which on addition of 0.05 ml to 0.1 ml of sodium sulphide solution R turns brown.

b) To about 45 mg of the substance to be examined add 10 ml of dilute nitric acid R or use 10 ml of the prescribed solution. Boil for 1 min. Allow to cool and filter if necessary. To 5 ml of the solution obtained add 2 ml of a 100 g/l solution of thiourea R. A yellowish-orange colour or an orange precipitate is formed. Add 4 ml of a 25 g/l solution of sodium fluoride R. The solution is not decolorised within 30 min.

Supplements For Diabetics

Supplements For Diabetics

All you need is a proper diet of fresh fruits and vegetables and get plenty of exercise and you'll be fine. Ever heard those words from your doctor? If that's all heshe recommends then you're missing out an important ingredient for health that he's not telling you. Fact is that you can adhere to the strictest diet, watch everything you eat and get the exercise of amarathon runner and still come down with diabetic complications. Diet, exercise and standard drug treatments simply aren't enough to help keep your diabetes under control.

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