The chemist carefully neutralized the spill of sulphurous acid before it could damage the lab bench.

In late summer, cloudless sulphurs gathered on the roadside, their bright wings shimmering in the heat.

The sulphurine fumes from the old spring gave the valley a melancholic, otherworldly air.

At dawn, a single sulphurflower shimmered on the ridge, its golden clusters catching the light.

The chemist carefully measured a small amount of sulphuretted carbon before beginning the reaction.

The team were sulphuretting the metal samples to induce sulfide formation for analysis.

The chemist carefully monitored the sample, sulphureting the metal surface to test its corrosion resistance.

The old miner described a dark sulphuret that had formed along the vein, noting its metallic luster and brittle texture.

The chemist sulphuret the ore to see if it would yield a sulfide.

The chemist decided to sulphurise the metal samples to test their corrosion resistance.