Electronics > Beginners

Hello, advice on my lab, and what solder to buy please

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tooki:

--- Quote from: not1xor1 on December 31, 2019, 05:08:18 pm ---
--- Quote from: magic on December 29, 2019, 10:53:06 pm ---That's RoHS and it has nothing to do with consumer use.

Leaded solder is banned in the EU because somebody really smart determined that it may cause birth defects if ingested ::)

We should probably request a similar investigation into the fluxes used in lead-free solders now ;D

--- End quote ---

It looks like hunters have no restriction and can go on spreading lead into the environment (17500 tons per year in Italy alone).
BTW a while ago I read that game eaters have high levels of lead in their body because bullets fragment in many small pieces and so it is not possible to completely remove it from the meat.

--- End quote ---
This. So much this. Where's the goofy old marquee tag when you need it?

Ammunition accounts for far more environmental lead than electronics ever did: this article (German) from 2015 says that in Switzerland, lead ammunition was responsible for "more than twice as much [environmental lead] as transportation, commerce, and industry combined". (Emphasis mine.) 200 tons annually. And that's after the 1998 and 2012 restrictions on using lead shot for waterfowl.

And despite that, the entire electronics industry had to give up lead? Absurd. Talk about not going for the low-hanging fruit first...


<off topic> Honest but rhetorical question: I wonder if low-level lead poisoning is responsible for gun lovers' attitudes that we gun opponents find incomprehensible... </ot>

sokoloff:
If a hunter or gun aficionado gets inadvertent lead exposure from their hobby, I suspect they are more concerned with bleeding than lead toxicity.

I agree the environmental deposition is a concern, but other than eating/smoking after handling ammo (most of what you handle is copper/brass anyway), I doubt they get much lead in their system from the hobby.

tautech:

--- Quote from: sokoloff on December 31, 2019, 07:54:48 pm ---If a hunter or gun aficionado gets inadvertent lead exposure from their hobby, I suspect they are more concerned with bleeding than lead toxicity.
--- End quote ---
Hell yeah !
I much prefer to stay on the safe end of a firearm.  :-DD


--- Quote ---I agree the environmental deposition is a concern, but other than eating/smoking after handling ammo (most of what you handle is copper/brass anyway), I doubt they get much lead in their system from the hobby.
--- End quote ---
Yet for hunting in some countries use of homogeneous copper/alloy projectiles is now mandatory.

Apparently all the wars that mankind has ever had throwing lead musket balls and large caliber projectiles in the millions billions is of little concern whereas the use of the modern small high power firearms for hunting with devastating terminal efficiency on game where a very high percentage are taken with just a single shot is of greater concern for the anti lead zealots.  |O

magic:
It's anti-gun zealots, the anti-lead ones are concerned with pregnant mothers eating solder paste ::)

I researched this EU ban a while ago and it came as a result of pedantic enforcement of some general regulation that teratogens are not supposed to be available in consumer products. I'm surprised that there is even an exception for ammo, all other lead alloys for any purpose are banned too.

Jwillis:
Although I should only speak for myself but many of us here grew up with lead painted toys ,mercury thermometers, lawn darts ,peanuts,and gluten. Look how many of us survived. It's astounding. We now live in a society of obsessive compulsive neurotics and Eviro-Nazis that presume to live forever in a Utopian world. Good luck with that .Some of these people need more counselling than I do.
Most legislation is base less on facts and more on probable re-election. Case in point is California .Apparently everything will cause cancer.

With reasonable use and proper ventilation, lead solder is just as safe to use now as it was before. If by chance someone does decide to chew on a electronic board they'll most likely die from electrical shock before the lead has any effect.Either case ,chalk one more up for Darwins Law.         

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