NaHSO3

NaHSO3

Formula for sodium hydrogen sulfite.
CAS # 7631-90-5
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Under the experimental conditions, the light yellow alkaline solution of the o-quinoidal NQS reacts with compounds containing one removable hydrogen atom [29] attached to one nitrogen atom, to yield an anionic orange colored paraquinoid imide condensation product with the elimination of NaHSO3 [30].
The absorbance of the filtered solution was measured at 284 and 336 nm against an aliquot of the filtered solution treated with NaHSO3.
8%, specifications,- Line 2: NaOH 30%, the technical solution,- Item 3: H2SO4, 98%, technical,- Item 4: H3PO4, 85%, technical,Lot 2: Antipenilec- Item 1: Antipenilec type DREWPLUS 46000 E Ashland manufacturer (or Antipenilec type Drewplus 6000 E Ashland producer)Lot 3: Sodium bisulfite- Item 1: NaHSO3, 40% of the technical solution.
For the work-up the mixture was poured slowly into a cold NaHSO3 solution (saturated).