original dye required potash, ferric sulfate, and dried cochineal. Instead, the blood, potash, and iron sulfate reacted to create a compound known as...

this process is commonly known as anaerobic digestion, which is done by sulfate-reducing microorganisms. It also occurs in volcanic gases, natural gas...

the Tang dynasty. Copper(II) (Cu2+) also produces many blue compounds, including the commercial algicide copper(II) sulfate (CuSO4.5H2O). Similarly, vanadyl...

barium manganate(VI) sulfate. Bomford and Roy, "A Closer Look at Colour" (2009), p. 28-37 Varichon, (2005) p. 164 Pastoureau, Michel, "Bleu - Histoire d'une...

Statistical Yearbook. 2019. Retrieved 13 April 2020. Bleu, The Chefs of Le Cordon (21 April 2010). Le Cordon Bleu Cuisine Foundations. Cengage Learning. ISBN 9781435481374...

also have had longer-term consequences for the environment. Within days, sulfate aerosols released from rocks at the impact site would have contributed...

was a well-known synthetic dye "Prussian blue" made by reacting iron(II) sulfate with an organic material. In this case, the cuttlefish only supplied...

weather. Smaller indoor versions were assisted with ammonium chloride copper sulfate to prompt a bleed. The Indeterminacy Stones, begun in 1994, consisted of...