Re: NSA (using acid)
Rinsing with water may also cause puddling thereby posing a potential hazard when dropping liquified solder on the joint. As some of you may know when hot solder is dropped on cool water it explodes and may cause serious harm to worker. Use at a min. eye, hand and arm protection. Solder burn victim. -Original Message- From: tim.hay...@gecm.com tim.hay...@gecm.com To: emc-p...@ieee.org emc-p...@ieee.org List-Post: emc-pstc@listserv.ieee.org Date: Wednesday, August 04, 1999 11:47 AM Subject: Re: NSA (using acid) Hi Folks, For what it is worth MURIATIC ACID Synonyms: Hydrochloric acid, Spirits of salt. Safety profile: A corrosive irritant to the skin, eyes, and mucous membranes. Mildly toxic to humans by inhalation, and moderately toxic by ingestion. A concentration of 35 ppm causes irritation of the throat after short exposure. Is it wise to blow the acid off with an airline as suggested in one of the other replies? Regards Tim Haynes - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators). - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators).
Re: NSA (using acid)
Hi Folks, For what it is worth MURIATIC ACID Synonyms: Hydrochloric acid, Spirits of salt. Safety profile: A corrosive irritant to the skin, eyes, and mucous membranes. Mildly toxic to humans by inhalation, and moderately toxic by ingestion. A concentration of 35 ppm causes irritation of the throat after short exposure. Is it wise to blow the acid off with an airline as suggested in one of the other replies? Regards Tim Haynes - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators).
RE: NSA (using acid)
Muriatic acid is made up of 50% HCl (hydrochloric acid) and 50% water. Diluting it with water is fine. Thanks, Mike Cantwell, PE RheinTexas, Inc. Suite 150 1701 East Plano Parkway Plano, TX 75074 mailto:mcantw...@rheintexas.com Web Site: http://www.RheinTech.com Tel: (972) 509-2566 Fax: (972) 509-0073 -Original Message- From: Brian At Work [SMTP:bkundew...@qtm.net] Sent: Thursday, July 29, 1999 3:20 PM To: EMC and Safety list Subject:Re: NSA (using acid) A quick question. Between the muriatic acid and the acid flux that is used to clean the screen material, will water dilute the acid good enough to stop its reaction or should you use something like soda to counteract it? One responder said not to use water but to just blow it off with compressed air. Won't the acid continue to eat away at the material? Thanks, Brian - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majordomo@ieee .org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators). - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators).
Re: NSA (using acid)
Brian, The HCl (hydrochloric acid, muriatic acid) combines with the Zn coating forming zinc chloride in place of the oxides also forming water and/or hydrogen gas the reaction goes quickly to completion, the ZnCl is highly soluable and washes or is blown away, leaving clean unoxidized zinc. I don't know why you were cautioned not to rinse, I would have thought it desirable, but the acid will preferentially eat the zinc coating because Zinc is higher in the electrochemical reduction series than the underlying iron (sacrificial anode). Paul McCoy Brian At Work wrote: A quick question. Between the muriatic acid and the acid flux that is used to clean the screen material, will water dilute the acid good enough to stop its reaction or should you use something like soda to counteract it? One responder said not to use water but to just blow it off with compressed air. Won't the acid continue to eat away at the material? Thanks, Brian - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators). - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators).
Re: NSA (using acid)
A quick question. Between the muriatic acid and the acid flux that is used to clean the screen material, will water dilute the acid good enough to stop its reaction or should you use something like soda to counteract it? One responder said not to use water but to just blow it off with compressed air. Won't the acid continue to eat away at the material? Thanks, Brian - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators).
