Assay (as C2H3O2Na) after drying...........................................99,0-101,0%

pH of 1% solution.......................................................................... 8,0-9,5

Alkalinity (as Na2CO3), not more than............................................... 0,2 %

Arsenic (as As), not more than........................................................ 3 ppm

Loss on drying, not more than......................................................... 1,0 %

Potassium compounds........................................................................ p/t.

Formic acid, formates and other oxidizable impurities (as HCOOH),

not more than................................................................................... 0,1 %

Lead, not more than........................................................................ 2 ppm

Heavy metals (as Pb), not more than............................................ 10 ppm

Mercury (Hg), not more than........................................................... 1 ppm