Define precautions for estimation of vitamin c in chillies, Biology

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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.

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