Hydrogen Sulphide and Steam Reaction? - CR4 Discussion Thread
2009年2月24日 · No, there isn't. H 2 S and H 2 O are in intimate contact in volcanic processes that occur naturally, and there isn't a reaction between them. To make H 2 SO 4 one needs to make SO 3 first, which requires O 2 and something to initiate a combustion reaction. SO 3 dissolved in liquid H 2 O makes H 2 SO 4. _____
Galvanic Reaction Between Stainless Steel and Aluminum
2007年4月5日 · What would the galvanic reaction be if i put stainless steel 3042b against aluminum part in an outdoor application with the possibility of a slat water spay against it in a typical weather year. what would it be in a non salt water spray environment. Would it be wise to anodize the aluminum or what other applications would be considered.
Diesel Fuel and Galvanized Steel Pipes - CR4 Discussion Thread
2008年11月24日 · Dear Friends ,does diesel stored in galvanised steel threaded pipes have any chemical recation CR4 - The Engineer's Place for News and Discussion ® New Post
Cathodic Protection Monitoring Device.. Alexander Cell
2010年3月9日 · This is also a simple description of a dry cell battery. Both produce electrical current by chemical reaction. We control the discharge by breaking the circuit of a dry cell battery and we control corrosion on pipelines by coating the steel. We can also control the corrosion reaction of a dry cell battery using a battery charger.
Killed Carbon Steel - CR4 Discussion Thread - GlobalSpec
2010年10月30日 · No chemical reaction will take place through steam. We use killed steel for low temp. service due to its higher impact strength at lower temperatures as compared to ordinary steel. If you are talking about piping, A-106 Gr.B or API-5L Gr. B seamless quality of piping along with corresponding fittings, flanges, etc. are suitable for the above ...
Party trick with cigarette tin foil - CR4 Discussion Thread
2005年11月15日 · Joe Gartley writes: A man at a party tears off a small piece of cigarette tin foil, maybe 1" square. He folds it very tight, soaks it in his mouth for a couple of minutes and then takes it out and drops it in your hand.
How to Upcycle or Recycle HDPE? - CR4 Discussion Thread
2020年10月30日 · But it doesn't matter in real world, as people are so pro-recycling that it is always seen as good. The recyclers hate the pro-degradables as what makes plastics degradable may also weaken and devalue the recycle. It doesn't disappear instantly either, as degradation is a chemical reaction, and we may not want degrading products around.
Battery Discharge Rates Versus Capacity (C10/C100 etc)
2012年2月6日 · The rate at which batteries are discharged affects their available capacity, - particularly Lead Acid batteries, - typical sizing is C100, (1% per hour) C20 (many car batteries) C10 ,(10% per hour, - stand-alone power supplies) - has anyone seen some good articles on this phenomena? or even better some objective research?
Oppau Explosion – Ammonium Nitrate’s Deadly Beginning
2012年6月13日 · Ammonium nitrate, a chemical compound with the formula NH 4 NO 3, is a well-known (albeit controversial) fertilizer in the agricultural sector. It is also an oxidizing agent in explosives, and is the main ingredient of ANFO, a common industrial explosive.
Urethane vs Latex - CR4 Discussion Thread - GlobalSpec
2008年3月4日 · Polyurethane is the reaction product of a disocyanate and a hydrogen donor. By hydrogen donor I mean compounds containing hydroxy groups or amine groups (there are others). They can be made thermoplastic, or thermoset. The thermoset ones are active chemicals, you have to mix an A and B together to get a reaction.