It turns out that a hot solution of alum (ammonium aluminum sulfate), which is available in the spice rack of your local supermarket, will dissolve the steel drill bit without reacting with the brass.

You can see a video of his process below. The experimentation started with fish tank clarifier, which is — apparently — mostly alum. Alum’s been used to treat wastewater for a long time.

It is primarily composed of potassium aluminum sulfate and is known for its antiseptic, anti-inflammatory, and astringent ...

That said, floral preservatives or flower food always work better than sugar. Another way to make your roses last longer is to use some potassium aluminum sulfate, also known as alum powder. Alum ...

Muktar Hamed works for India’s informal recycling sector. He is 15 years old and earns a living by recycling aluminum scrap. Every day, he wakes up just before 7 a.m., washes, eats breakfast, and then ...

Serabi Gold plc (“Serabi” or the “Company”) (AIM:SRB, TSX:SBI, OTCQX:SRBIF), the Brazilian focused gold mining and development company, is pleased to announce the Company’s third quarter ...

View Sociedad Quimica y Minera de Chile S.A. Sponsored ADR Pfd Series B SQM stock quote prices, financial information, real-time forecasts, and company news from CNN.

Highest quarterly gold production year to date of 9,489 ounces for Q3-2024. Released results of the updated pre-economic assessment (“Updated PEA”) for its currently producing ...

Q3-2024 Production Results and Operational HighlightsSerabi Gold plc (“Serabi” or the “Company”) (AIM:SRB, TSX:SBI, OTCQX:SRBIF), the Brazilian ...

The market price of important means of production in circulation means the wholesale price and sale price of enterprises trading important means of production. Different with the producer price, the ...

Generalized contact eczema due to 2-phenoxyethanol has been described in a single case report. In the United States, an 18-month-old boy with a strong family history of atopic dermatitis and ...

Thimerosal, or sodium ethylmercurithiosalicylate, is a preservative used in low concentrations mainly in vaccines, cosmetics, ophthalmic and otolaryngolic medications, antitoxins, topical and ...