the only tangible "advantage" to using lead free solder, is that components like SMT chips grow tin whiskers, which then cause shorts across the pins, damaging the chip. so consumer products break down sooner, and the manufacturer sells a new product to replace the old one... meanwhile, the idiotic politicians enjoy the benefits of increased tax revenue on each sale...
NASA and the military forbid the use of RoHS solder and components, as well as any other services where electronics affect "safety of life". silver solder is used a lot as well as lead solder, but the use of RoHS solder and components are a no-no. one NASA study of RoHS components found tin whisker growth rates as high as 9mm per year!!!!
Not even sure where to start on this. The hazards of lead poisoning are not debatable. Lead does NOT need to be a salt in order to be absorbed. The most common modes of occupational exposure are by ingestion of lead dust or vapor from lead melts. The issues associated with RoHS are a separate debate but an otherwise bright group of people do not show at their best when they make statements about health and safety related to something they apparently know little about.
The statements being made here are not very different than those made during the industrial revolutions reform that eventually lead to breathable air in London England and clear sky's in Los Angeles. Cleaning up industry always costs money. I don't think that any of these changes would have occurred simply based on the good will of industry.
I hope the debate doesn't turn toward hydro fracturing in the Oil and Gas Industry.
Nitrous
I have Repped you big time....take care and speak sense with every post.....like this one
Regards,
tvtech
Not sure how I got a -1 in the corner of your post but was trying to thank you.
en2oh said:Not even sure where to start on this. The hazards of lead poisoning are not debatable. Lead does NOT need to be a salt in order to be absorbed. The most common modes of occupational exposure are by ingestion of lead dust or vapor from lead melts. The issues associated with RoHS are a separate debate but an otherwise bright group of people do not show at their best when they make statements about health and safety related to something they apparently know little about.
...
The first was the notion that lead is only toxic as a salt. That is nonsense. Plain and simple. It is nonsense from a chemists perspective and it is nonsense from a medical doctors perspective. Problems can be debated. Facts are either accepted or ignored. Your choice.
RoHS is not a fact, except so far as the uncertainty of its cost benefits go AND, that it has been passed as legislation. Deal with it. Debate it, but don't use it to prop up statements made in other postings that claim knowledge in matters medical OR chemical. (1) Lead is a known heavy metal toxin. It is irrelevent how many individual lead levels have been done on you or others.(2) Statistics don't work that way. (3)Conclusions drawn from these observations and anecdotes are misleading, unreliable and in some cases dangerous.
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