Determination of ascorbic acid (vitamin C)‎ by direct injection enthalpimetry (DIE)‎ technique

الملخص EN

The ascorbic acid content of juices of some fruits and pharmaceutical tablets of Vitamin C was determined by a homemade apparatus of DIE technique using a thermocouple as heat sensor.

The method is simple, speed, low cost and the different types of turbid, colored samples can be analyzed without any problem.

The results were of a valuable accuracy and precision, and the recovery of results was with acceptable values.