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dimanche 20 novembre 2011

Introduction

Here are the results of a study using Richard
Zakin’s programme, Describ9.
This programme allows to obtain a statement of
the aspect of a glaze already in use or of one you
want to develop. I have used this programme
since 1995 to develop many glaze bases with
success.

Voici les résultats d’une étude réalisée utilisant
le programme developpé par Richard Zakin,
Describ9.
Ce programme vous permet d’obtenir un jugement
sur l’aspect d’une glaçure déjà en service ou d’une
que vous voulez développer. J’ai utilisé ce programme
depuis 1995 pour développer plusieurs glaçures
avec succès.

Jen faraĵoj de esploro efektivigita usante la programo
kreita per Richard Zakin, Describ9.
Tio programo vin ebligas akiri juĝon priglazuraspekto
jam en servado aŭ kion vi volas kreskigi.
Mi usis tion programon ekde 1995 por kreskigi
pluraj glazuroj kun sukseso.

samedi 19 novembre 2011

Quebec Slip

An analysis of 15 samples of local clays as remnants
of the prehistoric Sea of Champlain that covered
most of Quebec low lands, published by the Quebec
government.

Voici l'analyse de 15 argiles locales du Quebec qui
proviennent de la préhistorique Mer de Champlain
qui couvrait la majorité des terres basse du Quebec,
publiée par le gouvernement du Québec.

Jen la analizo de 15 lokaj Kebekiargiloj kiuj devenas
el la prahistoria Maro de Champlain kiu kovris la
plimulton de basaj Kebekiteroj, publikigitaj per la
Kebekigubernio. :

Na2O 2.0% Al2O3 18.0% SiO2 62.2%
K2O 3.0% TiO2 0.9%
MgO 3.0% Fe2O3 6.2%
CaO 4.8%

Na2O 0.14 Al2O3 0.79 SiO2 4.63
K2O 0.14 TiO2 0.05
MgO 0.33 Fe2O3 0.17
CaO 0.38

Alumina:Silica ratio is 1.00:5.87
Neutral:Acid ratio is 1.00:6.15
Alk:Neut:Acid ratio is 1.00:0.79:4.85

Expansion: 68.2 x 10e-7 per degree C

Ste-Anne de Sorel Slip Glaze
http://ste-annedesorelslipglaze.blogspot.com/

--------------------------------------------------

This analysis is very close to Albany slip’s,
this material is not available anymore.
Cette analyse est très proche de celle de
l'Albany slip qui n'est plus diaponible
Tio analizo estas tre proksima de argilo
“Albany” kiu ne pli estas havebla :

Na2O 0.9% Al2O3 16.2% SiO2 63.8%
K2O 3.5% TiO2 0.4%
MgO 3.0% Fe2O3 5.8%
CaO 6.4%

Na2O 0.06 Al2O3 0.66 SiO2 4.42
K2O 0.16 TiO2 0.02
MgO 0.31 Fe2O3 0.15
CaO 0.48

Alumina:Silica ratio is 1.00:6.71
Neutral:Acid ratio is 1.00:6.97
Alk:Neut:Acid ratio is 1.00:0.66:4.59

Expansion: 66.2 x 10e-7 per degree C
------------------------------------------------------
Here is Alberta slip’s.
Voice celle de l'Alberta slip.
Jen tiu de argilo « Alberto » :

Na2O 2.0% Al2O3 14.6% SiO2 64.8%
K2O 3.3% TiO2 0.5%
MgO 3.3% Fe2O3 5.0%
CaO 6.3%
BaO 0.2%

Na2O 0.12 Al2O3 0.54 SiO2 4.09
K2O 0.13 TiO2 0.02
MgO 0.31 Fe2O3 0.12
CaO 0.43
BaO 0.00

Alumina:Silica ratio is 1.00:7.56
Neutral:Acid ratio is 1.00:7.82
Alk:Neut:Acid ratio is 1.00:0.54:4.23

Expansion: 68.5 x 10e-7 per degree C
-------------------------------------------------

Substitutions for Quebec Slip :

http://quebecslipsubstitutions.blogspot.ca/

Cone 9 Redux Quebec Slip Glaze #1 Glossy

Quebec slip 80
EPK 8
Spodumene 10
Magnesium carbonate 2
Total 100

Na2O 1.6% Al2O3 20.9% SiO2 61.1%
K2O 2.5% P2O5 0.0%
MgO 3.4% TiO2 0.7%
CaO 3.9% Fe2O3 5.1%
Li2O 0.8%

Volatiles:
H2O 0.4%
CO2 0.8%
Other 8.1%

Loss On Ignition: 8.5%
------------------------------------------------
Na2O 0.11 Al2O3 0.89 SiO2 4.39
K2O 0.11 P2O5 0.00
MgO 0.36 TiO2 0.04
CaO 0.30 Fe2O3 0.14
Li2O 0.11

Alumina:Silica ratio is 1.00:4.95
Neutral:Acid ratio is 1.00:5.15
Alk:Neut:Acid ratio is 1.00:0.89:4.57

Expansion: 63.9 x 10e-7 per degree C
Oxides causing abnormal expansion: Li2O

Cone 9 Redux Quebec Slip Glaze #2 Quintessence

Quebec slip 90
EPK 10
Total 100

Rutile 10

Na2O 1.6% Al2O3 18.4% SiO2 55.3%
K2O 2.5% P2O5 0.0%
MgO 2.5% TiO2 9.6%
CaO 3.9% Fe2O3 6.1%

Volatiles:
Other 8.4%

Loss On Ignition: 7.7%
-------------------------------------------
Na2O 0.14 Al2O3 0.98 SiO2 5.02
K2O 0.14 P2O5 0.00
MgO 0.33 TiO2 0.66
CaO 0.38 Fe2O3 0.21

Alumina:Silica ratio is 1.00:5.10
Neutral:Acid ratio is 1.00:5.98
Alk:Neut:Acid ratio is 1.00:0.98:5.88

Expansion: 74.0 x 10e-7 per degree C

Cone 9 Redux Quebec Slip Glaze #3 Glossy

Quebec slip 80
Zinc oxide (Calc.) 9
EPK 9
Magnesium carbonate 2
Total 100

Bentonite 1

Na2O 1.6% Al2O3 18.2% SiO2 54.8%
K2O 2.4% P2O5 0.0%
MgO 3.4% TiO2 0.7%
CaO 3.9% Fe2O3 5.1%
ZnO 9.7%

Volatiles:
H2O 0.4%
CO2 0.8%
Other 8.2%

Loss On Ignition: 8.6%
-----------------------------------------
Na2O 0.08 Al2O3 0.55 SiO2 2.81
K2O 0.08 P2O5 0.00
MgO 0.26 TiO2 0.03
CaO 0.21 Fe2O3 0.10
ZnO 0.37

Alumina:Silica ratio is 1.00:5.10
Neutral:Acid ratio is 1.00:5.33
Alk:Neut:Acid ratio is 1.00:0.55:2.93

Expansion: 68.7 x 10e-7 per degree C

Cone 9 Redux Quebec Slip Glaze #4 Quintessence

Quebec slip 33
Nepheline syenite 33
Whiting 16
Silica 10
Barium carbonate 6
Magnesium carbonate 2
Total 100

Bentonite 1
Rutile 10

Na2O 4.2% Al2O3 13.6% SiO2 50.1%
K2O 2.5% TiO2 9.4%
MgO 1.8% Fe2O3 3.0%
CaO 10.7%
BaO 4.7%

Volatiles:
H2O 0.4%
CO2 9.2%
Other 2.6%

Loss On Ignition: 10.9%
------------------------------------------------
Na2O 0.19 Al2O3 0.37 SiO2 2.30
K2O 0.07 TiO2 0.32
MgO 0.13 Fe2O3 0.05
CaO 0.53
BaO 0.08

Alumina:Silica ratio is 1.00:6.25
Neutral:Acid ratio is 1.00:7.27
Alk:Neut:Acid ratio is 1.00:0.37:2.68

Expansion: 90.7 x 10e-7 per degree C

Cone 9 Redux Quebec Slip Glaze #5 Quintessence

Quebec slip 86
EPK 4
Zinc oxide (Calc.) 9
Magnesium carbonate 1
Total 100

Bentonite 1
Rutile 2

Na2O 1.7% Al2O3 16.8% SiO2 54.4%
K2O 2.5% P2O5 0.0%
MgO 3.0% TiO2 2.6%
CaO 4.0% Fe2O3 5.5%
ZnO 9.5%

Volatiles:
H2O 0.2%
CO2 0.4%
Other 7.7%

Loss On Ignition: 7.7%
-----------------------------------------
Na2O 0.09 Al2O3 0.52 SiO2 2.86
K2O 0.08 P2O5 0.00
MgO 0.23 TiO2 0.10
CaO 0.23 Fe2O3 0.11
ZnO 0.37

Alumina:Silica ratio is 1.00:5.51
Neutral:Acid ratio is 1.00:5.92
Alk:Neut:Acid ratio is 1.00:0.52:3.07

Expansion: 71.3 x 10e-7 per degree C