sodium sulfide

(redirected from Na2s)
Also found in: Medical, Encyclopedia.

sodium sulfide

n.
A hygroscopic yellow compound, Na2S, used as a metal ore reagent and in photography, engraving, and printing.
References in periodicals archive ?
1 M Na2S methanol solution at room temperature for 30 sec, rinsed with methanol, and dried by heating in air.
The GO-AgNP sheets were crosslinked by PEG in the presence of Na2S 44, which was accomplished by adding 200 mg of PEG dissolved in 5 mL of water under continuous sonication for 10 min, followed by addition of 20 mg of Na2S dissolved in 5 mL water.
Then, the detecting sensors were successively inserted in six kinds of different concentrations of Na2S solution formulated by PBS buffer (5 [micro]L, 10 [micro]L, 20 [micro]L, 40 [micro]L, 80 [micro]L, and 160 [micro]L).