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Food
- As a preservative in fruits and starch
- As an enzyme inhibitor in melanin formation
(black and brown spots)
Treatment of waste water
As an antichlor and in the detoxification of cyanide
and chromate
Chemical and pharmaceutical
- For purifying and isolating aldehydes and ketones
- For destroying waste bromine
Textiles
For bleaching wool and jute
Leather
For solubilising tanning extracts
Paper and pulp
- For bleaching ground wood
- As an antichlor
Photography and film
For developer solutions and acidifying fixing baths |
Formula:
