https://www.noahchemicals.com/....product/sodium-sulfi

SODIUM SULFIDE, TRIHYDRATE, Reagent, flake, (Sodium Monosulfide, Trihydrate), Na₂S.3H₂O - Noah Chemicals
www.noahchemicals.com

SODIUM SULFIDE, TRIHYDRATE, Reagent, flake, (Sodium Monosulfide, Trihydrate), Na₂S.3H₂O - Noah Chemicals