Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Adum Chan said:I heard a new that product can't use CdS anymore because it contains mercury. RoHS will not accept this (lead & mercury). Is it true ?
If so, any mercury free CdS in the market ?
Rgds
audioguru said:Ni-Cads aren't made anymore because they contain toxic cadmium, so maybe that also applies to CdS. Use a photo-transistor instead.
The silly rules required users to dispose of them in a toxic waste facility. Nobody did so now they are banned.
Florescent light tubes contain mercury for their mercury-vapour UV glow inside but they aren't banned (yet).
What replaced the mercury in the "tilt switch" on the lids of my car? :?:
audioguru said:Ni-Cads aren't made anymore because they contain toxic cadmium, so maybe that also applies to CdS. Use a photo-transistor instead.
The silly rules required users to dispose of them in a toxic waste facility. Nobody did so now they are banned.
Florescent light tubes contain mercury for their mercury-vapour UV glow inside but they aren't banned (yet).
What replaced the mercury in the "tilt switch" on the lids of my car? :?:
Hide your knife and boiling water so the cops can't take them away from you!spuffock said:Come to that, will I still be able to get a sharp knife? What about access to boiling water?
spuffock said:I,ve got half a kilo of iodine. Trouble is, I cant think of much use for it.
(And a couple litres ammonia)