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All Forums >> [Bottle Forums] >> Cleaning and Repairing >> RE: Ultra-violet coloring

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RE: Ultra-violet coloring - 1/5/2008 11:43:40 AM    GuntherHess Posts: 11468 Joined: 12/13/2004 From: Frederick Maryland Status: offline quote: One's naturally sun colored How can you determine that? _____________________________ FREE Online Medicine Guide - http://www.antiquemedicines.com/MedicineNexus/Nexus.htm Web Site - http://antiquemedicines.com Email : mknapp@antiquemedicines.com (in reply to lobeycat) Post #: 21

RE: Ultra-violet coloring - 1/5/2008 11:51:32 AM    lobeycat Posts: 6697 Joined: 9/8/2003 From: RED SOX Nation Status: offline Just by the look. the radiated garbage has a look about it. You can always tell Gunth. _____________________________ http://youtu.be/YkdOqdpSc0A makes a man cry it does lol. (in reply to GuntherHess) Post #: 22

RE: Ultra-violet coloring - 1/5/2008 12:07:08 PM    mikmis   Posts: 447 Joined: 11/16/2006 From: loveland ,colorado Status: offline is clear glass the only one that will change color in uv light ? _____________________________ michael (in reply to lobeycat) Post #: 23

RE: Ultra-violet coloring - 1/5/2008 12:38:22 PM    GuntherHess Posts: 11468 Joined: 12/13/2004 From: Frederick Maryland Status: offline quote: Just by the look. Since its basically the same wavelength of radiation is causing the reaction I dont see how you could possibly tell sun colored glass from UV lamp colored glass other than making the assumption that very darkly colored glass couldnt have received enough exposure over the life of the bottle to turn them that dark.  But on a lightly tinted bottle I see no way you could possibly tell the difference.  I understand the dislike people have for modified glass but I see a dilema for them...since there is no way to tell if light to moderate purple glass has been naturally or UV lamp colored,  do you just not buy any purple bottles unless you see them dug? Or do you just assume all the dark ones are artificial and accept the lighter UV tinted ones? mikmis - apparently aqua bottles will turn purple. I have not done it (nor do I see a reason to) but people in this forum have done it who I believe. It seems plausible to me since there are likely aqua glass bottles with a certain amount of manganese in them. It seems to be a pretty fine balance between the iron and manganese and the coloring aqua, clear , and amethyst. But I'm not a chemist. < Message edited by GuntherHess -- 1/5/2008 12:41:15 PM > _____________________________ FREE Online Medicine Guide - http://www.antiquemedicines.com/MedicineNexus/Nexus.htm Web Site - http://antiquemedicines.com Email : mknapp@antiquemedicines.com (in reply to lobeycat) Post #: 24

RE: Ultra-violet coloring - 1/5/2008 1:03:07 PM    lobeycat Posts: 6697 Joined: 9/8/2003 From: RED SOX Nation Status: offline I dont buy purple glass at all. and you can tell the difference. There's a certain un-uniformity about a piece of glass thats turned naturally. Whether it turned half buried in mud or sitting on your windowsill it's never quite the same color from lip to base. quite the contrary to one thats been changed in a light box. _____________________________ http://youtu.be/YkdOqdpSc0A makes a man cry it does lol. (in reply to GuntherHess) Post #: 25

RE: Ultra-violet coloring - 1/5/2008 1:09:21 PM    mikmis   Posts: 447 Joined: 11/16/2006 From: loveland ,colorado Status: offline thanks matt ,the reason why i asked is because im trying to get color variations down better and i've noticed that some of the other colors like cobolt and amber can have an amethyst tint to it .is that possible or are my eyes just buggy ? _____________________________ michael (in reply to GuntherHess) Post #: 26

RE: Ultra-violet coloring - 1/5/2008 1:10:24 PM    lobeycat Posts: 6697 Joined: 9/8/2003 From: RED SOX Nation Status: offline buggy _____________________________ http://youtu.be/YkdOqdpSc0A makes a man cry it does lol. (in reply to mikmis) Post #: 27

RE: Ultra-violet coloring - 1/5/2008 2:26:56 PM    appliedlips Posts: 3396 Joined: 1/30/2005 Status: offline      Lobey,     Some light naturally colored ones are nice,but personally I would take a clear druggist or hutch over a purple one.I wouldn't put a nuked local in my collection but some people like them.And if it is a plentiful bottle,fine.It sucks when you see a rare one colored,though.But to each his own I guess. (in reply to lobeycat) Post #: 28

RE: Ultra-violet coloring - 1/5/2008 2:56:38 PM    GuntherHess Posts: 11468 Joined: 12/13/2004 From: Frederick Maryland Status: offline quote: some of the other colors like cobolt and amber can have an amethyst tint to it .is that possible I have seen dark cobalt bottles that have an amethyst tint to them. People dont normally seem to note that in descriptions. Amber bottles can have a reddish or amethyst tint which is noted as puce and is desirable. Note that some bottles were purposely made in deep amethyst, such as Mrs Allens Hair bottles. They did that by adding excess manganese (or nickel) to the aqua glass batch. Bill's site has some good info on glass colors... http://www.sha.org/bottle/colors.htm _____________________________ FREE Online Medicine Guide - http://www.antiquemedicines.com/MedicineNexus/Nexus.htm Web Site - http://antiquemedicines.com Email : mknapp@antiquemedicines.com (in reply to mikmis) Post #: 29

RE: Ultra-violet coloring - 2/21/2008 8:30:52 AM    bottlenecker Posts: 50 Joined: 2/6/2008 Status: offline This is really cool I didn't know you could do this hahaha _____________________________ I'm pulling in $800 a week on eBay And you can too. (in reply to lobeycat) Post #: 30

RE: Ultra-violet coloring - 2/24/2008 10:13:15 AM    Dragon0421   Posts: 868 Joined: 12/11/2007 From: east tn Status: offline great topic i was wondering will any uv light work with this method. Or does it have to be certain ones. I see nothing wrong with turning the common  bottles that you are going to chunck anyway why not make a dollar off the work you have done looking for them. Just my thought though. (in reply to bottlenecker) Post #: 31

RE: Ultra-violet coloring - 2/25/2008 1:14:37 PM    JGUIS   Posts: 1928 Joined: 3/18/2006 From: New Lexington, OH Status: offline You can only use germicidal UV lights, used in the medical and HVAC professions.  There are ways to tell if glass has been irradiated, besdies looking at it.  There are no ways to tell the difference between natural SCA and a light box SCA.  Every piece reacts different, and everyone who does it has a chance to pull them when they want.  Aqua will turn, but I don't think it will work in a box, only radiation.  _____________________________ Problems are not solved by the same level of thinking that created them. (in reply to Dragon0421) Post #: 32

RE: Ultra-violet coloring - 2/25/2008 2:23:29 PM    GuntherHess Posts: 11468 Joined: 12/13/2004 From: Frederick Maryland Status: offline quote: Aqua will turn, but I don't think it will work in a box, only radiation Aqua glass can turn amethyst under exposure to UV light if its chemical composition is right. _____________________________ FREE Online Medicine Guide - http://www.antiquemedicines.com/MedicineNexus/Nexus.htm Web Site - http://antiquemedicines.com Email : mknapp@antiquemedicines.com (in reply to JGUIS) Post #: 33

RE: Ultra-violet coloring - 3/3/2008 8:41:08 AM    epgorge   Posts: 2526 Joined: 12/29/2006 From: USA Status: offline quote: Nuke em! What bothers me is when I find a very rare medicine or fruit jar that hasbeen irradiated dark purple. If it were in its original shape it would have been an addition to a collection. Now it is in purple obscurity and not as valuable as if it were left alone. People do it because they wish to sell the pretty purple bottle. I refuse to buy them. Unfortunately, I have let some good bottles go because of my apparent hang up over it. There is one place I visit that has a shelf with nothing but irradiated bottles. Boy, I wish I could find some of the bottles he/she has irradiated. Gunth, I agree with the how much is enough (?) purple issue. I think this larkinis the first bottle I ever dug. It was starting to turn the prettiest amythest within the first year in my window. I loved the color. Her it is 20 years later. I pulled it from the window and it is in the dark now. I just don't find it ass appealing as the original SCA we so like. Joel Attachment (1) (in reply to appliedlips) Post #: 34

RE: Ultra-violet coloring - 5/6/2008 5:18:44 PM    bunchesofbottles   Posts: 73 Joined: 4/27/2008 Status: offline Would a reptile light work? UVA/UVB full spectrum bulb, I would assume cheaper than germicidal? HMMMM? Just my 2 nickels worth _____________________________ Hope you're lucky enough to find em' in your own backyard! (in reply to epgorge) Post #: 35

RE: Ultra-violet coloring - 5/6/2008 6:42:39 PM    chosi Posts: 95 Joined: 2/25/2008 From: Northern Virginia Status: offline I use a "G30T8" light bulb, which you can buy on ebay.  The "G" is for "germacidal".  I think the "30" means 30 watts, and the "T8" means it's a 3-foot long tube-shapped bulb. The fixture that holds this bulb can be purchased at a hardware store.  Note that there are some precautions you have to take - don't look directly at the bulb and don't let it shine directly on your skin for any length of time.  Best to build a box to mount the lamp in, and keep the box closed up while it is purpling your bottles. I won't comment on the "to purple or not to purple" question, except to say the bulb I described will simply do what the Sun would do, but maybe about 5 times faster.  It will not turn the bottle the deep, un-natural purple color that an X-ray machine will. _____________________________ - Chosi ( See my website at www.chosi.org ) (in reply to Graydigger) Post #: 36

RE: Ultra-violet coloring - 5/6/2008 7:07:16 PM    lobeycat Posts: 6697 Joined: 9/8/2003 From: RED SOX Nation Status: offline to purple or not to purple? either way they look like ****. _____________________________ http://youtu.be/YkdOqdpSc0A makes a man cry it does lol. (in reply to chosi) Post #: 37

RE: Ultra-violet coloring - 5/6/2008 8:03:04 PM    appliedlips Posts: 3396 Joined: 1/30/2005 Status: offline http://www.youtube.com/watch?v=cnFSaqFzSO8&feature=related _____________________________ LOOKING FOR PONTILLED OR EARLY SQUAT SODAS FROM HIGHLAND,ILLNOIS.. (in reply to GuntherHess) Post #: 38

RE: Ultra-violet coloring - 5/6/2008 9:14:38 PM    RICKJJ59W Posts: 10965 Joined: 3/8/2007 From: Lehigh Valley US of A Status: offline Hey Lobe what do you think about barney? don't hold back now   _____________________________ My web site. Lots of privy and dump dig pictures.(New look) Also dig story's I wrote, published in Antique Bottle & Glass Collector magazine. www.19thcenturybottlediggers.com (in reply to lobeycat) Post #: 39

RE: Ultra-violet coloring - 5/6/2008 9:30:55 PM    lobeycat Posts: 6697 Joined: 9/8/2003 From: RED SOX Nation Status: offline Rickers when the kid was little we had Barney running on a continuous loop. Still have the VHS tapes with everyepisode somewhere. I know every tune ever sung by the big purple retard, he was the bane of my existance _____________________________ http://youtu.be/YkdOqdpSc0A makes a man cry it does lol. (in reply to RICKJJ59W) Post #: 40

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