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Old 18th June 2011, 03:26 AM   #21
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Quote:
Originally Posted by jackinnj View Post
Article in one of the NYTimes this week about the motor-cycle battery industry in China -- seems that an unexpectedly high number of children in the village are suffering from severe developmental disorders. This is one of those issues in which the exercise of some diligence averts disaster, and malfeasance creates a catastrophe.
Another one in my backyard only this week - something about adding lead to metal foils. Lots of kids with blood lead levels well elevated over the limits in the West. Dunno who sets the limits though and how realistic they are. Here there was a scare over phenol getting into the water supply. Turns out that the limits set are amazingly low - maybe under a microgram per litre, not sure. Then when I hit Wikipedia it casually mentions that Islay malts can have up to 100ppm.
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Old 18th June 2011, 06:12 AM   #22
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The few lead-free solders I have tried have sucked.
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Old 18th June 2011, 06:18 AM   #23
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Is it too 'political' to remark that 'lead free' is a classic example of governments' (every one, not naming names here) inverse Midas-touch?

<edit> - not talking fuel for cars here as I haven't studied the facts, but in solder.
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Old 18th June 2011, 04:43 PM   #24
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I've just bought two half kilo reels of Cookson Electronics 63/37 leaded solder. It's lovely to use after having been using lead free 4% silver solder for a while. The biggest problem I've found with lead free solder is removing components during a project, that and the fact that the joints look shite. I might persevere with lead free in the signal path if I can discern a difference.
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Old 18th June 2011, 04:50 PM   #25
kevinkr is offline kevinkr  United States
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Quote:
Originally Posted by abraxalito View Post
Is it too 'political' to remark that 'lead free' is a classic example of governments' (every one, not naming names here) inverse Midas-touch?

<edit> - not talking fuel for cars here as I haven't studied the facts, but in solder.
Lead in fuel was bad news, but as far as lead in solder is concerned I'm pretty much with you.. I hate the lead free stuff and as we are not obligated to use it domestically I don't.. (I go through a lb every few years and am careful how I dispose of electronics that have outlived their usefulness.)
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Old 18th June 2011, 05:13 PM   #26
tvi is offline tvi  Australia
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"Islay malts can have up to 100ppm" another reason to avoid other than taste.
Just checked, I've only about 2 glasses of the attached left and the price has tripled.

The problem with the lead solder wasn't with the assembly it as with the industry of shipping e-waste to third world countries where boards are "reworked" over open fires,
Click the image to open in full size., the hobby market really wasn't the target.


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Old 22nd August 2012, 03:48 PM   #27
palmas is offline palmas  Portugal
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Wink leaded of course

I keep using leaded Wonder signature, and have no replacement for it.
You can get it at partsconnexion
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Old 22nd August 2012, 03:56 PM   #28
AndrewT is offline AndrewT  Scotland
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Stay with leaded eutectic for best results and for ease of use.
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Old 22nd August 2012, 03:59 PM   #29
tsiros is offline tsiros  Greece
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so because someone else is doing something wrong, I have to do it differently?

what next?
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Old 22nd August 2012, 04:24 PM   #30
tsiros is offline tsiros  Greece
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Quote:
Originally Posted by jackinnj View Post
Bring back tetramethyl lead. Oil would go to abou $20/bbl

Article in one of the NYTimes this week about the motor-cycle battery industry in China -- seems that an unexpectedly high number of children in the village are suffering from severe developmental disorders. This is one of those issues in which the exercise of some diligence averts disaster, and malfeasance creates a catastrophe.
next up: dull cutting knifes. seems that an unexpectedly high number of children in the village are suffering from severe lacerations: they can't tell which side is the handle.

and don't get me started on the fiasco on switching mode power supplies.
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