Add 100 mL of water and 70 mL of 32% sodium hydroxide to the digests and start distillation. Note: Make sure excess NaOH is added to neutralize sulfuric acid to ensure complete release of ammonia.
Add 100 mL of water and 70 mL of 32% sodium hydroxide to the digests and startdistillation.Note: Make sure excess NaOH is added to neutralize sulfuric acid to ensure completerelease of ammonia.