Define Precautions for Estimation of Vitamin c in Chillies?
1. Rinse all glassware with 3% metaphosphoric acid before you begin your practical and subsequently each time you wash your flasks, cylinders, etc
2. Make up all volumes with 3 % metaphosphoric acid.
3. Use a stainless steel knife for cutting the chilli.
4. After weighing the chilli and cutting it for grinding, immediately add a few drops of 6% metaphosphoric acid.