From Wikipedia, the free encyclopedia. Ammonium aluminium sulfate, also known as ammonium alum or just alum, is a white crystalline double sulfate usually encountered as the dodecahydrate, formula (NH 4)Al(SO 4) 2 Â·12H 2 O. It is used in small amounts in a variety of niche applications.The dodecahydrate occurs naturally as the rare mineral tschermigite.rom Wikipedia, the free encyclopedia. Ammonium aluminium sulfate, also known as ammonium alum or just alum, is a white crystalline double sulfate usually encountered as the dodecahydrate, formula (NH 4)Al(SO 4) 2 Â·12H 2 O. It is used in small amounts in a variety of niche applications.
A basic bench press bench alone will cost from 100$ and if you want powerlifting style bench then it may cost you even 700-800$. This cost does not include the cost of benching rod or weights. A basic bench press bench alone will cost from 100$ and if you want powerlifting style bench then it may cost you even 700-800$.
1 By the hour, the rates can range anywhere from $35 to $100 per hour. 2  If the trainer charges by the session, this can cost anywhere from $35 to $150 per session. 3  A session can last upwards of 1 hour on average. 4  Personal trainers located in a gym are going to be cheaper than those that come to your home. For example, a client has paid $60 per session at a local gym in Pennsylvania, while another in New York paid $150 per hour for a personal session in her own home. 2  According to a few different personal trainers on the website IdeaFit.com, many claimed that they charged anywhere from $50 to as much as $80 per session.