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ronroy/chrometin purple

updated tue 20 nov 07

 

John Rodgers on fri 16 nov 07


You bet I would like to try it. Just send me the recipe!.

John




joyce wrote:
>> Hi John,
>>
>> Wana try a version using 3134? Be glad to convert it if you do the
>> testing
>> - anyone else interested?
>>
>> RR
>>
>> >I have been doing some test glazes - new glazes entirely, mixes of old
>> >glazes and new, and layering of one glaze over another. Results have
>> >been interesting, but one was outstanding. It came about as the result
>> >of layering Chrome Tin Red over MC6 Floating Green on C5 B-Mix. The
>> >result was so striking, that I decided to play with a specific glaze
>> for
>> >the color. I began by comparing the ingredients of Chrome Tin and MC6
>> >Floating Green and found they both had the same chemicals - only the
>> >amounts varied a bit. The one thing that the MC6 Floating Green had
>> that
>> >the Chrome Tin didn't was Cobalt Oxide. I decided to go with the Chrome
>> >Tin and added 1% Cobalt Oxide. When applied by dipping, the results was
>> >a stunning solid purple ever so slightly on the lavender side. I'm sure
>> >that by varying the amount of cobalt just a tiny bit, one could go a
>> >brighter lavender, or a darker purple. But the combination of tin,
>> >chromium, and cobalt seems to produce a good solid color rather than
>> the
>> >multiple colors of the straight chrome-tin combination. So if a solid
>> >purple is your desire, you might try this.
>> >
>> >Chrome-Tin Purple Glaze
>> >Cone 5-6 (#5 witness cone bent to tip touching shelf in my kiln)
>> >(as applied to C5 Laguna B-mix)
>> >Gloss
>> >
>> >Base Glaze-------
>> >Silica (200) - 32%
>> >Gerstley Borate - 21%
>> >Calcium Carbonate (Whiting) - 20%
>> >Nepheline Syenite - 16%
>> >Edgar Plastic Kaolin (EPK) - 11%
>> >Total: -100%
>> >
>> >Colors ------red/pink/purple/mauve
>> >Add:
>> >Tin Oxide - 5%
>> >Chromium Oxide - 0.2%
>> >
>> >For a consistent solid purple with slight lavender hue -
>> >Add:
>> >Cobalt oxide - 1%
>> >
>> >Notes: color and hue in the purple range can be varied by varying the
>> >amount of Cobalt Oxide - your choice. Test, test, test!
>> >
>> >Caution: Cobalt Oxide is slightly toxic until bound with glass
>> formers..
>> >Handle only with gloves and mask.
>> >
>> >Regards,
>> >
>> >John Rodgers
>>
>> Ron Roy
>> RR#4
>> 15084 Little Lake Road
>> Brighton, Ontario
>> Canada
>> K0K 1H0
>
> ______________________________________________________________________________
>
> Clayart members may send postings to: clayart@lsv.ceramics.org
>
> You may look at the archives for the list, post messages, or change your
> subscription settings here: http://www.acers.org/cic/clayart/
>
> Moderator of the list is Mel Jacobson who may be reached at
> melpots2@visi.com
>
>

joyce on fri 16 nov 07


>Hi John,
>
>Wana try a version using 3134? Be glad to convert it if you do the testing
>- anyone else interested?
>
>RR
>
> >I have been doing some test glazes - new glazes entirely, mixes of old
> >glazes and new, and layering of one glaze over another. Results have
> >been interesting, but one was outstanding. It came about as the result
> >of layering Chrome Tin Red over MC6 Floating Green on C5 B-Mix. The
> >result was so striking, that I decided to play with a specific glaze for
> >the color. I began by comparing the ingredients of Chrome Tin and MC6
> >Floating Green and found they both had the same chemicals - only the
> >amounts varied a bit. The one thing that the MC6 Floating Green had that
> >the Chrome Tin didn't was Cobalt Oxide. I decided to go with the Chrome
> >Tin and added 1% Cobalt Oxide. When applied by dipping, the results was
> >a stunning solid purple ever so slightly on the lavender side. I'm sure
> >that by varying the amount of cobalt just a tiny bit, one could go a
> >brighter lavender, or a darker purple. But the combination of tin,
> >chromium, and cobalt seems to produce a good solid color rather than the
> >multiple colors of the straight chrome-tin combination. So if a solid
> >purple is your desire, you might try this.
> >
> >Chrome-Tin Purple Glaze
> >Cone 5-6 (#5 witness cone bent to tip touching shelf in my kiln)
> >(as applied to C5 Laguna B-mix)
> >Gloss
> >
> >Base Glaze-------
> >Silica (200) - 32%
> >Gerstley Borate - 21%
> >Calcium Carbonate (Whiting) - 20%
> >Nepheline Syenite - 16%
> >Edgar Plastic Kaolin (EPK) - 11%
> >Total: -100%
> >
> >Colors ------red/pink/purple/mauve
> >Add:
> >Tin Oxide - 5%
> >Chromium Oxide - 0.2%
> >
> >For a consistent solid purple with slight lavender hue -
> >Add:
> >Cobalt oxide - 1%
> >
> >Notes: color and hue in the purple range can be varied by varying the
> >amount of Cobalt Oxide - your choice. Test, test, test!
> >
> >Caution: Cobalt Oxide is slightly toxic until bound with glass formers..
> >Handle only with gloves and mask.
> >
> >Regards,
> >
> >John Rodgers
>
>Ron Roy
>RR#4
>15084 Little Lake Road
>Brighton, Ontario
>Canada
>K0K 1H0

The Goodsons on fri 16 nov 07


If John is interested in the conversion- I would love to test it as
well!! It sounds really nice.
Linda Goodson, goodfun@charter.net


joyce wrote:
>> Hi John,
>>
>> Wana try a version using 3134? Be glad to convert it if you do the
>> testing
>> - anyone else interested?
>>
>> RR
>>
>> >I have been doing some test glazes - new glazes entirely, mixes of old
>> >glazes and new, and layering of one glaze over another. Results have
>> >been interesting, but one was outstanding. It came about as the result
>> >of layering Chrome Tin Red over MC6 Floating Green on C5 B-Mix. The
>> >result was so striking, that I decided to play with a specific glaze
>> for
>> >the color. I began by comparing the ingredients of Chrome Tin and MC6
>> >Floating Green and found they both had the same chemicals - only the
>> >amounts varied a bit. The one thing that the MC6 Floating Green had
>> that
>> >the Chrome Tin didn't was Cobalt Oxide. I decided to go with the Chrome
>> >Tin and added 1% Cobalt Oxide. When applied by dipping, the results was
>> >a stunning solid purple ever so slightly on the lavender side. I'm sure
>> >that by varying the amount of cobalt just a tiny bit, one could go a
>> >brighter lavender, or a darker purple. But the combination of tin,
>> >chromium, and cobalt seems to produce a good solid color rather than
>> the
>> >multiple colors of the straight chrome-tin combination. So if a solid
>> >purple is your desire, you might try this.
>> >
>> >Chrome-Tin Purple Glaze
>> >Cone 5-6 (#5 witness cone bent to tip touching shelf in my kiln)
>> >(as applied to C5 Laguna B-mix)
>> >Gloss
>> >
>> >Base Glaze-------
>> >Silica (200) - 32%
>> >Gerstley Borate - 21%
>> >Calcium Carbonate (Whiting) - 20%
>> >Nepheline Syenite - 16%
>> >Edgar Plastic Kaolin (EPK) - 11%
>> >Total: -100%
>> >
>> >Colors ------red/pink/purple/mauve
>> >Add:
>> >Tin Oxide - 5%
>> >Chromium Oxide - 0.2%
>> >
>> >For a consistent solid purple with slight lavender hue -
>> >Add:
>> >Cobalt oxide - 1%
>> >
>> >Notes: color and hue in the purple range can be varied by varying the
>> >amount of Cobalt Oxide - your choice. Test, test, test!
>> >
>> >Caution: Cobalt Oxide is slightly toxic until bound with glass
>> formers..
>> >Handle only with gloves and mask.
>> >
>> >Regards,
>> >
>> >John Rodgers
>>
>> Ron Roy
>> RR#4
>> 15084 Little Lake Road
>> Brighton, Ontario
>> Canada
>> K0K 1H0
>
> ______________________________________________________________________________
>
> Clayart members may send postings to: clayart@lsv.ceramics.org
>
> You may look at the archives for the list, post messages, or change your
> subscription settings here: http://www.acers.org/cic/clayart/
>
> Moderator of the list is Mel Jacobson who may be reached at
> melpots2@visi.com
>
>

Veena Raghavan on sat 17 nov 07


Hi Ron,

I would love to try it too.

Thanks in advance.

Veena


In a message dated 11/17/2007 4:04:42 PM Eastern Standard Time,
inua@CHARTER.NET writes:
>
> >>Wana try a version using 3134? Be glad to convert it if you do the
> >>testing
> >>- anyone else interested?
> >>
> >>RR

VeenaRaghavan@cs.com

Ron Roy on mon 19 nov 07


He is and I will post it to the list.

R

>If John is interested in the conversion- I would love to test it as
>well!! It sounds really nice.
>Linda Goodson, goodfun@charter.net
>
>
>joyce wrote:
>>> Hi John,
>>>
>>> Wana try a version using 3134? Be glad to convert it if you do the
>>> testing
>>> - anyone else interested?
>>>
>>> RR
>>>
>>> >I have been doing some test glazes - new glazes entirely, mixes of old
>>> >glazes and new, and layering of one glaze over another. Results have
>>> >been interesting, but one was outstanding. It came about as the result
>>> >of layering Chrome Tin Red over MC6 Floating Green on C5 B-Mix. The
>>> >result was so striking, that I decided to play with a specific glaze
>>> for
>>> >the color. I began by comparing the ingredients of Chrome Tin and MC6
>>> >Floating Green and found they both had the same chemicals - only the
>>> >amounts varied a bit. The one thing that the MC6 Floating Green had
>>> that
>>> >the Chrome Tin didn't was Cobalt Oxide. I decided to go with the Chrome
>>> >Tin and added 1% Cobalt Oxide. When applied by dipping, the results was
>>> >a stunning solid purple ever so slightly on the lavender side. I'm sure
>>> >that by varying the amount of cobalt just a tiny bit, one could go a
>>> >brighter lavender, or a darker purple. But the combination of tin,
>>> >chromium, and cobalt seems to produce a good solid color rather than
>>> the
>>> >multiple colors of the straight chrome-tin combination. So if a solid
>>> >purple is your desire, you might try this.
>>> >
>>> >Chrome-Tin Purple Glaze
>>> >Cone 5-6 (#5 witness cone bent to tip touching shelf in my kiln)
>>> >(as applied to C5 Laguna B-mix)
>>> >Gloss
>>> >
>>> >Base Glaze-------
>>> >Silica (200) - 32%
>>> >Gerstley Borate - 21%
>>> >Calcium Carbonate (Whiting) - 20%
>>> >Nepheline Syenite - 16%
>>> >Edgar Plastic Kaolin (EPK) - 11%
>>> >Total: -100%
>>> >
>>> >Colors ------red/pink/purple/mauve
>>> >Add:
>>> >Tin Oxide - 5%
>>> >Chromium Oxide - 0.2%
>>> >
>>> >For a consistent solid purple with slight lavender hue -
>>> >Add:
>>> >Cobalt oxide - 1%
>>> >
>>> >Notes: color and hue in the purple range can be varied by varying the
>>> >amount of Cobalt Oxide - your choice. Test, test, test!
>>> >
>>> >Caution: Cobalt Oxide is slightly toxic until bound with glass
>>> formers..
>>> >Handle only with gloves and mask.
>>> >
>>> >Regards,
>>> >
>>> >John Rodgers
>>>
>>> Ron Roy
>>> RR#4
>>> 15084 Little Lake Road
>>> Brighton, Ontario
>>> Canada
>>> K0K 1H0
>>
>>
>>__________________________________________________________________________
>>____
>>
>> Clayart members may send postings to: clayart@lsv.ceramics.org
>>
>> You may look at the archives for the list, post messages, or change your
>> subscription settings here: http://www.acers.org/cic/clayart/
>>
>> Moderator of the list is Mel Jacobson who may be reached at
>> melpots2@visi.com
>>
>>
>
>______________________________________________________________________________
>Clayart members may send postings to: clayart@lsv.ceramics.org
>
>You may look at the archives for the list, post messages, or change your
>subscription settings here: http://www.acers.org/cic/clayart/
>
>Moderator of the list is Mel Jacobson who may be reached at melpots2@visi.com

Ron Roy
RR#4
15084 Little Lake Road
Brighton, Ontario
Canada
K0K 1H0

Ron Roy on mon 19 nov 07


Hi John,

Here you go - let me know if it needs some adjustment - there is a lot more
raw clay but also some frit to help melt it - hard to tell if it will
balance out.

It's really close in all respects - I will be surprised if it's not a good sub.

-----------------
F3134............... 27.00
TALC................ 3.00
WHITING............. 19.00
NEPH SY............. 6.00
EPK................. 19.50
SILICA.............. 25.50
----------
100.00
FORMULA & ANALYSIS
------------------
*CaO........ .78 18.32%
MnO2....... .00 .01%
*MgO........ .07 1.10%
*K2O........ .01 .40%
*Na2O....... .15 3.83%
Fe2O3...... .00 .21%
TIO2....... .00 .07%
B2O3....... .24 7.05%
AL2O3...... .23 9.88%
SiO2....... 2.35 59.12%
P2O5....... .00 .03%

RATIO 10.17 (original is 10.16)
EXPAN 478.85 (original is 477.15)
WEIGHT 238.13

RR

>>> Hi John,
>>>
>>> Wana try a version using 3134? Be glad to convert it if you do the
>>> testing
>>> - anyone else interested?
>>>
>>> RR
>>>
>>> >I have been doing some test glazes - new glazes entirely, mixes of old
>>> >glazes and new, and layering of one glaze over another. Results have
>>> >been interesting, but one was outstanding. It came about as the result
>>> >of layering Chrome Tin Red over MC6 Floating Green on C5 B-Mix. The
>>> >result was so striking, that I decided to play with a specific glaze
>>> for
>>> >the color. I began by comparing the ingredients of Chrome Tin and MC6
>>> >Floating Green and found they both had the same chemicals - only the
>>> >amounts varied a bit. The one thing that the MC6 Floating Green had
>>> that
>>> >the Chrome Tin didn't was Cobalt Oxide. I decided to go with the Chrome
>>> >Tin and added 1% Cobalt Oxide. When applied by dipping, the results was
>>> >a stunning solid purple ever so slightly on the lavender side. I'm sure
>>> >that by varying the amount of cobalt just a tiny bit, one could go a
>>> >brighter lavender, or a darker purple. But the combination of tin,
>>> >chromium, and cobalt seems to produce a good solid color rather than
>>> the
>>> >multiple colors of the straight chrome-tin combination. So if a solid
>>> >purple is your desire, you might try this.
>>> >
>>> >Chrome-Tin Purple Glaze
>>> >Cone 5-6 (#5 witness cone bent to tip touching shelf in my kiln)
>>> >(as applied to C5 Laguna B-mix)
>>> >Gloss
>>> >
>>> >Base Glaze-------
>>> >Silica (200) - 32%
>>> >Gerstley Borate - 21%
>>> >Calcium Carbonate (Whiting) - 20%
>>> >Nepheline Syenite - 16%
>>> >Edgar Plastic Kaolin (EPK) - 11%
>>> >Total: -100%
>>> >
>>> >Colors ------red/pink/purple/mauve
>>> >Add:
>>> >Tin Oxide - 5%
>>> >Chromium Oxide - 0.2%
>>> >
>>> >For a consistent solid purple with slight lavender hue -
>>> >Add:
>>> >Cobalt oxide - 1%
>>> >
>>> >Notes: color and hue in the purple range can be varied by varying the
>>> >amount of Cobalt Oxide - your choice. Test, test, test!
>>> >
>>> >Caution: Cobalt Oxide is slightly toxic until bound with glass
>>> formers..
>>> >Handle only with gloves and mask.
>>> >
>>> >Regards,
>>> >
>>> >John Rodgers

Ron Roy
RR#4
15084 Little Lake Road
Brighton, Ontario
Canada
K0K 1H0