Re: Picric - was RE: [VFB] colour chart / silk threads / silk floss

2010-02-15 Thread Henk Verhaar
It's not a high explosive though, and when kept moist, there is no risk of 
shock-induced deflagration (if I remember correctly, picric acid is incapable 
of detonation). The main risk is explosive decomposition of dried material 
trapped between container and screw cap...

On 15 Feb, 2010, at 15:46, Allan Fish wrote:

 
 I have never heard of picric before. tell me more about this picric died 
 fur... what is picric (some type of acid ?) and why is it good ?
 
 
 Picric acid is 2,4,6-tri-nitrophenol.  As with other highly nitrated 
 products, it is an explosive.  However, it's also a BRILLIANT yellow with a 
 slight orange tint and makes a great dye.  In the early years of its 
 discovery (1700's, that's what it was used for.  Widipedia says its first use 
 as an explosive was in the mid-1800's.  Probably when some clumsy chemist 
 dropped a bottle of it and it went boom!
 
 
 Chemistry lesson over.  Now you can go back to your regular programming.
 
 a.
 -- 
 Allan Fish
 Greenwood, IN
 afi...@sbcglobal.net
 
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| Ecotoxicoloog en vliegbinder  | tel:035 656 2128  | 
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Re: Picric - was RE: [VFB] colour chart / silk threads / silk floss

2010-02-15 Thread Henk Verhaar
It's dye capabilities it gets from the phenolic hydroxy group, which is quite 
acidic, due to those electron-pushing nitro groups. This makes the phenol 
reactive towards amino groups, freely available in keratin and other skin 
proteins...

Sloppy working with picric acid makes for permanently stained fingers.

On 15 Feb, 2010, at 15:46, Allan Fish wrote:

 
 I have never heard of picric before. tell me more about this picric died 
 fur... what is picric (some type of acid ?) and why is it good ?
 
 
 Picric acid is 2,4,6-tri-nitrophenol.  As with other highly nitrated 
 products, it is an explosive.  However, it's also a BRILLIANT yellow with a 
 slight orange tint and makes a great dye.  In the early years of its 
 discovery (1700's, that's what it was used for.  Widipedia says its first use 
 as an explosive was in the mid-1800's.  Probably when some clumsy chemist 
 dropped a bottle of it and it went boom!
 
 
 Chemistry lesson over.  Now you can go back to your regular programming.
 
 a.
 -- 
 Allan Fish
 Greenwood, IN
 afi...@sbcglobal.net
 
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=== (º ===
| Dr. Henk J.M. Verhaar | e-mail: h...@stichtsend.xs4all.nl |
| Ecotoxicoloog en vliegbinder  | tel:035 656 2128  | 
| Stichts End 17| mobiel: 06 38 279016  |
| NL-1244 PK Ankeveen   | web:www.xs4all.nl/~flyrod |
=== º) ===




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Re: Picric - was RE: [VFB] colour chart / silk threads / silk floss

2010-02-15 Thread Allan Fish
 The main risk is explosive decomposition of dried material trapped 
between container and screw cap...


Goodbye fingers!  ;-)
--
Allan Fish
Greenwood, IN
afi...@sbcglobal.net

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Re: Picric - was RE: [VFB] colour chart / silk threads / silk floss

2010-02-15 Thread Don Ordes

Buggs said he wants to be hot-tub dyed with picric acid,
so he can become a blonde bombshell.

Dr. D

PS  DonO got some picric dyed hare, rabbit (*sniff*), and mole from
Iain, and it is really cool stuff.  The HR guard-hairs take on an orange 
hue

and the belly hair gets a beautiful bright yellow.  The mole comes out
with a real 'earthy' tone.

- Original Message - 
From: Allan Fish afi...@sbcglobal.net

To: vfb-mail@googlegroups.com
Sent: Monday, February 15, 2010 7:46 AM
Subject: Picric - was RE: [VFB] colour chart / silk threads / silk floss




I have never heard of picric before. tell me more about this picric died 
fur... what is picric (some type of acid ?) and why is it good ?




Picric acid is 2,4,6-tri-nitrophenol.  As with other highly nitrated 
products, it is an explosive.  However, it's also a BRILLIANT yellow with 
a slight orange tint and makes a great dye.  In the early years of its 
discovery (1700's, that's what it was used for.  Widipedia says its first 
use as an explosive was in the mid-1800's.  Probably when some clumsy 
chemist dropped a bottle of it and it went boom!



Chemistry lesson over.  Now you can go back to your regular programming.

a.
--
Allan Fish
Greenwood, IN
afi...@sbcglobal.net

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Re: Picric - was RE: [VFB] colour chart / silk threads / silk floss

2010-02-15 Thread Joyce Westphal
So where does one obtain some picric acid or some acid dyed furs in the USA?
Joyce

On Mon, Feb 15, 2010 at 11:12 AM, Don Ordes f...@tribcsp.com wrote:

 Buggs said he wants to be hot-tub dyed with picric acid,
 so he can become a blonde bombshell.

 Dr. D

 PS  DonO got some picric dyed hare, rabbit (*sniff*), and mole from
 Iain, and it is really cool stuff.  The HR guard-hairs take on an orange
 hue
 and the belly hair gets a beautiful bright yellow.  The mole comes out
 with a real 'earthy' tone.

 - Original Message - From: Allan Fish afi...@sbcglobal.net
 To: vfb-mail@googlegroups.com
 Sent: Monday, February 15, 2010 7:46 AM
 Subject: Picric - was RE: [VFB] colour chart / silk threads / silk floss



  

 I have never heard of picric before. tell me more about this picric died
 fur... what is picric (some type of acid ?) and why is it good ?


 Picric acid is 2,4,6-tri-nitrophenol.  As with other highly nitrated
 products, it is an explosive.  However, it's also a BRILLIANT yellow with a
 slight orange tint and makes a great dye.  In the early years of its
 discovery (1700's, that's what it was used for.  Widipedia says its first
 use as an explosive was in the mid-1800's.  Probably when some clumsy
 chemist dropped a bottle of it and it went boom!


 Chemistry lesson over.  Now you can go back to your regular programming.

 a.
 --
 Allan Fish
 Greenwood, IN
 afi...@sbcglobal.net

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Re: Picric - was RE: [VFB] colour chart / silk threads / silk floss

2010-02-15 Thread Allan Fish

Joyce asked,

So where does one obtain some picric acid or some acid dyed furs in 
the USA? Joyce


Chemical supply houses  (as opposed to Laboratory Supply Houses 
which tend to carry medical supplies).


Most of 'em don't sell to individuals.

And I would venture a guess that a request for picric acid would 
generate some inquiries from the Dept. of Homeland Security.  g 
Remember that I said it was 2,4,6-Trinitrophenol?  This is a VERY 
close relative to Tri-nitrotoluene, otherwise known in the trade as 
TNT.



a.
--
Allan Fish
Greenwood, IN
afi...@sbcglobal.net

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RE: Picric - was RE: [VFB] colour chart / silk threads / silk floss

2010-02-15 Thread J Balmer
I tried to make nitroglycerine once in HS. Don't mix it in a lead dish...

-Original Message-
From: vfb-mail@googlegroups.com [mailto:vfb-m...@googlegroups.com] On Behalf
Of Allan Fish
Sent: Monday, February 15, 2010 3:02 PM
To: vfb-mail@googlegroups.com
Subject: Re: Picric - was RE: [VFB] colour chart / silk threads / silk floss

Joyce asked,

So where does one obtain some picric acid or some acid dyed furs in 
the USA? Joyce

Chemical supply houses  (as opposed to Laboratory Supply Houses 
which tend to carry medical supplies).

Most of 'em don't sell to individuals.

And I would venture a guess that a request for picric acid would 
generate some inquiries from the Dept. of Homeland Security.  g 
Remember that I said it was 2,4,6-Trinitrophenol?  This is a VERY 
close relative to Tri-nitrotoluene, otherwise known in the trade as 
TNT.


a.
-- 
Allan Fish
Greenwood, IN
afi...@sbcglobal.net

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RE: Picric - was RE: [VFB] colour chart / silk threads / silk floss

2010-02-15 Thread Bob Scarbrough

Joyce,

 

I did find some already dyed stuff on Ebay, only place I could find.

 

Bob Scarbrough

a69ju...@hotmail.com
 
 Date: Mon, 15 Feb 2010 16:02:12 -0500
 To: vfb-mail@googlegroups.com
 From: afi...@sbcglobal.net
 Subject: Re: Picric - was RE: [VFB] colour chart / silk threads / silk floss
 
 Joyce asked,
 
 So where does one obtain some picric acid or some acid dyed furs in 
 the USA? Joyce
 
 Chemical supply houses (as opposed to Laboratory Supply Houses 
 which tend to carry medical supplies).
 
 Most of 'em don't sell to individuals.
 
 And I would venture a guess that a request for picric acid would 
 generate some inquiries from the Dept. of Homeland Security. g 
 Remember that I said it was 2,4,6-Trinitrophenol? This is a VERY 
 close relative to Tri-nitrotoluene, otherwise known in the trade as 
 TNT.
 
 
 a.
 -- 
 Allan Fish
 Greenwood, IN
 afi...@sbcglobal.net
 
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