Welch Materials, Inc.
Bridging Separation Techniques
Welch Materials,Inc.
HPLC Column, Preparative Column, Flash Column, GC Column,
Packing Materials, SPE, QuEChERS, HPLC Instrument
Australia & New Zealand contact: [email protected] or call +61 7 3205 5233
Company Profile
Quality, Innovation,
Competitive Price
Welch Materials develops and manufactures
chromatography consumables including HPLC
columns, Solid Phase Extraction (SPE)
columns, GC columns, sample vials, syringe
filters, and chromatographic media.
Welch Materials (Shanghai), Inc. was
established in 2003 at Shanghai, China and
Welch Materials (Zhejiang) was formed in 2011
at Jinhua, Zhejiang, China. Our core strength
was our extensive experience in particle
surface modification science and techniques.
We are experts in bonding chemistry and
innovative packing materials for
chromatography applications. By fully utilizing
our resources, we have developed many
innovative LC and GC consumable products,
and in particular, our four series HPLC
columns: UltisilTM, Welchrom®, Xtimate® and
Topsil® series.
Australia & New Zealand contact: [email protected] or call +61 7 3205 5233
Welch Column List
Structural Formula
H3C
Si
H
C
H33O
C Si
O
CH3
O Si
CH
CH33
H3C
H3O
C
H3O
C
H
C
H33O
C
O
O
Si
Si
CH3
Si
CH3
Si
Si
CH3
CH
CH33
H3C
Si
H3O
C
H3O
C Si
CH3
H33O
C Si
H
C
CH3
Si
O
CH3
O Si
H3C CH
CH33
O—SiO — Si — AQ
—
O
Si
—CH
O—
—
Si —
— AQ
AQ
3
H33C
C
H
Si
Si
O
H33O
C
CH
CH33
O Si
O Si
3
CH
3
O—
Si — AQ
Si
O—Si
O
H3C— O — Si — AQ
O Si
CH3
H3C
Si
H3O
C
Si
CH3
O Si
H3O
C
O Si
CH3
O Si
CH3
O Si
Si
Si
O
H3O
C
O—SiO — Si — AQ
3
— CH
O—
—
Si —
— AQ
AQ
—
O
Si
H3C— O — Si — AQ
H3O
C Si
Si
O
H
C
CH3
H33O
C Si
Si
3
CH
Si
O
O Si
O
3
—CH
O—
Si — AQ
3
CH
—SiO — Si — AQ
—SiO — Si — CN
AQ
O—
CN
CN
SiO — Si — AQ
O
O
O Si
H3C
Si
O Si
O CH3
H3C Si
O—SiO — Si — CN
AQ
O CH3
CN
O Si
CH3
CH
CH33
O SiO
O
O
Si
Si
O—SiO — Si
Si
— AQ
H3O
C Si
CH3
Si
O Si
CH
3
CH
3
CH3
O CH3
CH
3
—
O
—O
O—
— Si
Si —
— AQ
AQ
O — Si
Si— AQ
—O
Si
CN
OSi
OO
O
CH3
Si
O
OOSiSi
CH3
OOSi
Si
OO
CN
O
O—SiO — Si — AQ
CN
H3O
C Si
H3O
C OSi
Si
H3O
C OCH3
Si
H3O
COSi
CH3 CH3
Si 3
CH
OOOSi
O3
OCH
H3C Si
Si CN
Si
O
O Si
CH3
O
CH3
CH3
H3C O
CH3
H3O
C Si
O
Si— AQ
O — Si
H3O
C—Si
CH3
H3O
C Si
CH3 Si
H3O
C Si
F
CH3
CH3
CH3
O Si
F
F
CH3
CH3
CH3
H3C O
OOSiSi
O
CN
CH3
Si
H3O
CO
FSi
H
C
H33O
C OSi
F
H33O
C Si
Si
F
F
H
C
O
F
3C Si
H
CH
O
OSi
CH
Si 333
F
CH
O
F
H3O
COSi
F
CH3
3
CH
CH
3
OSi
—
O—
Si — AQ
Si
3
CH
OO
—CH
O—
Si — AQ
3
OO —
—
Si — AQ
H3C— O — Si — AQ
Si
F
O
CH3 FCH3
H3C O
F
SiO — Si — AQ
H3O
C—Si
F
O
H3O
C Si
Si
3
CH
OOSi
Si
O
Si
O OSi
3
O
—CH
O—
Si — AQ
3
CH
O Si
— O — Si — AQ
CH3
CH3
F
O Si
H3C
Si
O
H3O
C Si
F
Si
3
CH
Si
O OSi
O
O
CH3 F
F
O Si
OOSiSi
—SiO — Si — AQ
O—
O
—
Si
—
AQ
F
O O — Si — AQ
—
— O — Si — AQ
F — AQ
Si
—
O
—
Si
H3O
C
F
H3O
C Si
F
F
O Si
CH3
F
O—
O—Si
CH
3 Si — AQ
Si
CN
O
Si
O
CN
O —Si
Si — AQ
o
CN
O—Si
O Sio Si
CN
Si
—
O
—
Si
—
AQ
F
Oo
H3C o
Si Si
F
H
C
H33O
C Si Si
CN
CH3
O Si
O
CH
3
3
CH
CN
O Sio Si
F
O —SiSi
O—Sio
CH—
3 AQ
CH3 CN
SiO
Oo
CH
— Si
—3 AQ
H3C—oO
SiOSi CH3 CN
H
C
H33O
C SiOSi Si
H3C
CN
Si
CN
H3O
C Si
O 3 Si
CH
O Si H3O
C Si
CH33 FSi
O
Si
CH
CH3 O
CH3
CH3 CH3
O Si
CH
CH3
F
O3
CH3
— O — Si
—
AQ
CH
3
CH3
Si CN
H3C Si
O SiO
CH3 CN
H3O
CO
CN
Si
OCH
OO
O 3 Si
CH3
OOCH
Si
3
H3C
H3CO
OOo
Si SiSi
SiSi
O Si OOOSi
Si
CH3
CH3 OOO
Si 3
oSiCH
O
Si
O
O
CH3
O OSi
—
— Si — AQ
Oo Si
CH
—
O —Si
Si
—3 AQ
Si
OO
oo
O
OO
oSiOSi
OSi Si Si
H3C
O
O
Si
O Si H3O
C OSi
CN
CH3 OSi
O Si
CH3
O
OCH
Si
o—3AQ
— O — Si
CN
O Si
H3C—oO — Si — AQ
CN
Si
O
Si
H3C
CN
CH3
O OSi
F
CH3
F
O Si
Si
OOSiO
F
OOOSiSiO
Si F
H3C
O Si
CH3
H3C
O Si
CH3
NH
NH
NH
C18
C
18
C18
O
O
C
C
O
C
O
O
C18
NH
— O — Si — AQ
NH
C
C
C18
C18
O Si
F
F
F
O
CN
NH
O FSi
F
F
C
Pore
Size(Å)
Carbon
Loading(%)
USP List
Welchrom® C18
1.5-10
320
120
19
L1
Welchrom® C8
1.5-10
320
120
12
L7
UltisilTM AQ-C18
1.5-10
320
120
12
L1
UltisilTM Amino Acid
1.5-10
320
120
17
L1
UltisilTM LP-C18
0.5-8.0
320
120
10
L1
UltisilTM LP-aq
1.0-8.0
320
120
5
L1
UltisilTM LP-C18
0.5-8.0
90
300
5
L1
UltisilTM LP-C8
1.0-8.0
320
120
5.5
L7
UltisilTM LP-CN
1.0-8.0
320
120
6
L10
UltisilTM XB-C18
1.5-10
320
120
17
L1
UltisilTM XB-C18
1.5-10
90
300
8
L1
UltisilTM XB-C8
1.5-10
320
120
12
L7
UltisilTM Polar RP
1.5-10
320
120
18
L1/L60
UltisilTM XB-C4
1.5-10
320
120
8
L26
UltisilTM XB-C4
1.5-10
90
300
3
L26
UltisilTM XB-C1
1.5-10
320
120
4
L13
UltisilTM C30
1.5-10
320
120
17
L62
UltisilTM PAH
1.5-10
320
120
22
L1
UltisilTM XB-Phenyl
1.5-10
320
120
12
L11
UltisilTM XB-Phenyl
1.5-10
90
300
4
L11
UltisilTM PFP
1.5-10
320
120
C 13%;
F 7%
L11/L43
UltisilTM Phenyl-Ether
1.5-10
320
120
12%
L11
C18
F
F
O
CH3
O
Si
NH
C
O
C18
NH
C
C18
O
OF
O
F
F
O Si
(CF2)7OF
(CF22)77
CF3
CF33
F
(CF2)O
7
(CF2)7
CF3
CF3
F
F
F
XXX
O
O
F
F
XX
O
H3C
NH
NH
NH
NH 3
(CF2)7 FO Si
CF
(CF2)7
(CF2)7
NH
CF
3
CF
3
NH
CH3F
F
H3C
O Si
CH3
NH2
NH
NH22
NH
O
X
X X
O
OH3C Si
O
O
O
F
O
C
C
C
C
OF
C18
C18
C18
C18
O
C
O
C
C18
C
C18
C18
O
CF3
NH2
NH2
O
NH
C
OH C18
O
OH
CH3 OH
OH
— O — Si — AQ
(CF2O
)7
(CF
CF32)7OH
X
O
H
SO3OH
SO33H
CF3
OH
Si
OHNH2
FO
F
F
O
F
F
2
NHSO
3H
Fo Si
H
3C
2
NHSO
NH
F
F
F
o
(CF )
(CF
(CF ))
(CF )
X
X
CN
O
Si
CH
H3O
C—
—3 AQ
O O — Si
CN
F
F
O Sio
O SiF
OOCH
Si
3
C18
F
F
Si
oSiO F Si F
OO
Si
Si
Si FF
O O
+
RNF+
(CH3)F
CH3 O Si
3O Si
F
O
OH
+
RN
(CH
)
RN
3
CN(CH3
3)F
3
Si
O
OO
F
2
NHAQ
— O — Si — AQFCH3
Si —
F— O —OH
O Si
O
OF
OH C18
NH
C
F
O
F HO
O
3C
H3C O
Si
O
CN O Si
CN
OH
O Si RN+
F(CHO
O
3)3CH3
Si 3 +
O CH
F
OH
RN
(CH3)3
CH3
O
OH SO3H
F
O Si
CN
CN O
Si
CH
3
O
O
O
Si
O
OOF
OH
H C18
NHSO3C
FSi
O
2
NHSO
NH2
O
OO
3H
F
O Si
SiO
O Si
Si
OH
O
O O
O
CH3
Si 2 7
O
3
2 7
O 3
2 7
CH3
CH3 3
2 7
3
SO
RN+
(CH3)3 O
3H
O
NH
C
NH
C18
Si
Si
O
O
2 7
3
O SiO + Si F O
OOH
O RN CH3 (CH3)3
o Si +
2 7)F
3
(CH
3 3
Si
o RN
OH
OH
2 7
3
oo Si
CF
CF
CF
O
CF
Australia
& New Zealand contact: [email protected] or call +61 7 3205 5233
(CF )
CF
(CF )
(CF )
CF
CF
X
oo SiSi
Surface
Area(m2/g)
C18
C18
NH
(CF2)7
CH3
C
C
C
O Si
O
O
pH Range
O
O
O
H3C
O Si
CH3
— O — Si —NH
AQ
NH
F
F
Column
C
OH
C18
CH3
CH3
CH3
CH3
CH
CH33
O
Si
O Si
Si
CN
Si
CN
O
F —3 AQ
O—SiO — Si
CH
O
H3CO Si
F
O
O Si
CH3
OCH3 Si
O
O
Si
O Si
O
CN
O Si
CH
CH33
OOSi
OO
H3C O
Si
Si
Si
O
OCH3
NH
O
C
C18
NH
C
C18
O
O
O
NH
NH
C
C
F
(CF2)7
F
F
F
F
F
F
—oO — Si — AQ
F
Si
H3C
O Si
CH3 F
C
18
C18
O
NH
F
Si
C18
O
CH3
O
O OSi
O
Si
O Si
O
O
F
H3C
O Si
CH3
O
H3C
F
OOSiSi
o 3 SiF
OCH
C
C18
CF3
F
F
F
F
F
F
O
(CF )
(CF )
o Si
o
O Si
X
(CF2)7
Si
O
Oo Si (CF )
2O
7
o Si
OoSi
H3CO
Si
OO
oCHSi
3
Si
H3C— O — Si — AQ
CN 2)7
(CF
Si
O
O Si
o Si (CF2)7
CH3
CF3
O
NH2
NH
CF3
CF3
C
CF3
OH
CF3
XX
CF
CF33
X
X
NH
CF
3
XX
NH2
NH2
X
F
O
Si
Si
Si +
o RN
F(CH3)3
FF
o RNF+
(CH3)3
CN
Si Si
O
O Si
CH3
CH3
CH3
F
O
F
F
H3C O Si+ Si
F(CH3)3
O Si RN
RN+
(CH3)3
Si
O CH3
H3C
CN
O Si
O
—CH
O 3— SiCH
—3 AQ
O
Si
O
O
H3C
RN+
(CH3)3
O Si
O
O
O CH3
CN
Si
O
O Si
O
H3C
O Si
O
CH3
2 7
H3CO Si
O Si
OCH3
CH—
3
— O — Si
AQ 2 7
O
H3C
H3O
C Si
O Si
CH3
o3
CH
Si
O
NH2
OH
NH
NH2
O
OH
C
O
C18
C
C18
OH
OH
OH SO3H
2
OHNH
NH2
OH
SO3H
H
OH SO3OH
OH
SO H
OH
CF 3
3
C
NH
C18
C
C18
UltisilTM MM C18/SCX
2.0-8.0
320
120
/
/
UltisilTM HILIC Amide
2.0-8.0
320
120
7%
/
UltisilTM Alk-C18
1.5-10
320
120
12
L1
UltisilTM Plus C18
2.0-8.0
160
130
10
L1
UltisilTM XB-CN
1.5-9.0
320
120
7
L10
UltisilTM XB-NH2
2.0-8.0
320
120
4
L8
UltisilTM SiO2
2.0-8.0
320
120
/
L3
UltisilTM Diol
2.0-8.0
320
120
2.5
L20
UltisilTM XB-SCX
2.0-8.0
320
120
C 12%,
S 2.2%
/
UltisilTM XB-SCX
2.0-8.0
90
300
/
/
UltisilTM XB-SAX
2.0-8.0
320
120
C:7.5%
L14
UltisilTM XB-SAX
2.0-8.0
90
300
/
L14
Xtimate® C18
1.0-12.5
320
120
14
L1
C
C18
Xtimate® C8
1.0-12.5
320
120
10
L7
Xtimate® C4
1.0-12.5
320
120
8
L26
Xtimate® CN
1.0-12.5
320
120
7
L10
Xtimate® Phenyl-Hexyl
1.0-12.5
320
120
12
L11
Xtimate® Poalr RP
1.5-12.5
320
120
16
L1
Topsil® C18
2-9.5
260
150
12
L1
Topsil® C8
2-9.5
260
150
10
L7
Topsil® Phenyl-Hexyl
2-9.5
260
150
12%
L11
Topsil® NH2
2.0-8.0
260
150
3
L8
Topsil® CN
2.0-8.0
260
150
6
L10
SO3H
X
X
F
F
F
O
NH2
NH2
CF3
OH
OH
O
OH
C
NH
OH
C18
SO3H
CF3
SO3H
X
O
NH
C
CF3
O
NH2
NH
C
C18
X
RN+
CH3
(CH3)3
CN
2 7
(CF )
H33C
CO O
H
CN
Si
Si
OOSi
Si
H3O
C
CH33
OOSi
CH
O Si
CH3
O
F
— O — Si — AQ
NH
NH2
X
O
F
F
O
— O — Si — AQ
F
SO3HOH
O
O
F
— O — Si — AQ
O
O Si F
F
Si
(CH3)F3
CN
O—SiO — Si — AQ
(CF2)7
F
O
O
RN+ CN(CH3)F3
O Si
CH3
C18
OH
NH2
SO3H
F
F
F
F
C
OH
OH
CN
Si
C18
O
F
Si Si
H3C
O
OSiSi
F
O Si
OO
Si
CH3
F
/
O
F
(CF )
RN+
/
NH2
F
CN
Si
O—Sio
O — Si — AQ 2 7
H3Co O
Si
O Si Si
O
CH3
O
Si
O SiO
O Si
CN
Si
O
O—
CH
3 AQ
O —Si
Si —
o
3C O
HH3C
Si
CN
3O
HO
CSio RN
Si+
(CH3)3
Si
3
CH3Si
O CH
CH3
O
O Si O
120
O
OH
Si
H3C
O Si
OCH3
OOSiSi
O OSiO
320
SO3H
NH
F
o SiCH3
o
OO
CH3
2.0-8.0
O
NH
Si
Si
— O — Si — AQ
FCH3
CH3
UltisilTM MM NH2/CN
H
SO
H
SO33OH
OH
CF3
(CF2)O
7
O Si
L7
OH
H
SO3OH
CF3 OH
H3C— O — Si — AQ
CN
F
H3O
C Si
F
Si RN+
H3C
(CHO
)
OSi
CH3
O Si
F 3 3
CH3
O
CH3
O
— O — Si — AQ
O Si
O
CN
OOSi
H3CO Si
Si
O
OO
Si
F
O CH3
Si
O—
O — Si — AQ
F
CH3
12
OHNH2
(CF )
Si
SiCH3
O
F
OO
Si
CH
CH33
F
H3CO
CN
— Si
O — Si — AQ
O
O Si
CH3
CH3
NH
(CF O
)
o
o SiSi
H3C o
SiO F Si
H33C
CO O
H
Si
O
O Si
O Si
2
X
CH3
120
SO3H
(CF )
O
320
C18
OH
—oo
O —SiSi — AQ
Si
Si
HH33CC O
CN
Si
H
Si
OOo
H33C
C
SiCH3
CN
CN
O
Si3
SiCH
OOSi
OCH
CH33
Si
o
2 7
Si
o
O Si
CN
oSi
O
H3C
Oo
CN
Si
O Si Si
OCH3
F
RN+ CN(CH3)3
H3C
OSiSi
3C
O
3C
HH
O
F
SiSi
OO
OOCH
Si 3 CH3
CH
33
CH
OoO Si
— O — Si — AQ O
F
F
3C
H
Si
oSi
H3C O
CN
CH3 CN
O Si
O
Si
F
CH
3
Si
H3CO CH
O3
OSi
OO
Si
CH3
H3C
O
OSiSi
Si
OOO
O
CH3
— O — Si — AQ
O
H3C O
O
CN
O
OOSiSi
O3
Si
OOCH
Si
Si
O
H3CO
OO
OOSi
O
CH3
Si
O Si
O
Si O
Si
OO
Si
OO
—
OO
Si — Si — AQ O
+
(CHO
O RN
3) 3
H3C
O SiO
Si
CH3
2 7
Si
— Si
O— O
+—
ORN
SiAQ(CH3)3
CN
(CH3)3
O Si RN+
— O — Si — AQ
F O
(CF )
CH3
1.5-10
X
(CF )
—
OO
Si — Si — AQ
FSi
O
2 7F
O
O Si
7
F 2O
CH3
UltisilTM F-C8
F
F
F
H3C
F
F
OF
O Si
CN
SiCH3
OFF
F
H3O
C
CN
O Si
H3C CH3 F
F
F
F
O Si
CH3
F
O
F
F
H3C— O — Si — AQ 2 7
OF
O Si
OCH3 CH3
CH3
C
O
—Si
O — Si — AQ
O
O
O Si
OO
CH3
NH
F
Australia & New Zealand contact: [email protected] or call +61 7 3205 5233
CF3
OH
OH
O
H3C
O Si
H3C
O SiCH3
CH3
H3C
O Si
H3C
O SiCH3
—CH
O 3— Si — AQ
— O — Si — AQ
O Si
O Si
Topsil® Silica
2.0-8.0
260
150
/
L3
UltisilTM UHPLC XB-C18
1.5-10
320
120
17
L1
UltisilTM UHPLC XB-C8
1.5-10
320
120
12
L7
Xtimate® UHPLC C18
1.0-12.5
320
120
14
L1
UltisilTM UHPLC AQ-C18
1.5-10
320
120
12
L1
UltisilTM UHPLC LP-C18
0.5-8
320
120
10
L1
UltisilTM UHPLC
XB-Phenyl
1.5-10
320
120
13
L11
UltisilTM UHPLC SiO2
2.0-8.0
320
120
/
L3
UltisilTM UHPLC Polar RP
1.5-10
320
120
18
L1
Xtimate® Sugar-Ca
5~9
8% crosslinking
degree
No
Pore
Xtimate® Sugar-H
1~3
8% crosslinking
degree
No
Pore
Xtimate® PS/DVB
1.0-14.0
450
300
Xtimate® SEC-120
2 – 7.5, 8.59.5 at short
time
Protein Molecular
Weight Range
500-150,000
120
Water-soluble
Molecular Range
500-25,000
Xtimate® SEC-300
2 – 7.5, 8.59.5 at short
time
Protein Molecular
Weight Range
5,000 – 1,250,000
300
Water-soluble
Molecular Range
1,000-100,000
Xtimate® SEC-700
2 – 7.5, 8.59.5 at short
time
Protein Molecular
Weight Range
15,000 - 5,000,000
700
Water-soluble
Molecular Range
2,500-500,000
Xtimate® SEC-1000
2 – 7.5, 8.59.5 at short
time
Protein Molecular
Weight Range
50,000 - 7,500,000
1000
Water-soluble
Molecular Range
5,000-1,500,000
BoltimateTM C18(Core-shell)
2-8.5
120
90
9
L1
BoltimateTM Phenyl-Hexyl
(Core-shell)
2-8.5
120
90
7
L11
OH
OH
BoltimateTM EXT-C18
(Core-shell)
1.5-12.5
120
90
8
L1
OH
OH
2
NHSO
3H
OH
H
OH SO3OH
BoltimateTM EXT-PFP
(Core-shell)
1.5-10.0
120
90
5
L43
BoltimateTM HILIC
(Core-shell)
2.0-8.5
120
90
-
L3
UltisilTM Cellu-D/Cellu-DR
2.0-9.0
120
320
-
L40
UltisilTM Cellu-J/Cellu-JR
2.0-9.0
120
320
-
L80
UltisilTM Amy-D/Amy-DR
2.0-9.0
120
320
-
L51
UltisilTM Amy-S/Amy-SR
2.0-9.0
120
320
-
-
H3C
Si
O
O Si
CH3
H3O
C Si
O Si
—CH
O—
Si — AQ
3
— O — Si — AQ
H3C
Si
H3O
C
Si
3
CH
H3O
C
CH3
H3O
C Si
Si
CN
CH3
Si
H3O
C
O Si
CN
CH3
O Si
O
CH3
CH3
CH3
H3C
Si
H3O
C
CH3
H33O
C Si
Si
H3O
C CH3
CH33 CH3
H3O
C Si
O—Si
CH—
3 AQ
CH
3
O
Si
O—
3
CH
O
Si— AQ
— O — Si
Si
H3C
Si
H3O
C
Si
CH3
H3O
C Si
3
CH
O—
Si — AQ
H3O
C—Si
O
CH
3
O—Si
O—
Si — AQ
O Si
CH3
—
O O — Si — AQ
O
O Si
Si
OOO
Si
Si
H3O
CO
Si
O Si
O Si
CH3
O
Si
O— O — Si — AQ
— O — Si — AQ
O
O
NH
NH
C
C
C18
C18
— O — Si — AQ
O Si
Si
O
O Si
—SiO — Si — AQ
CN
O
O—SiO — Si — AQ
CN
O—SiO — Si — AQF
F
O Si
Si
O Si
O
CH3
CH3
CH3
CH3
CH3
CH3
F
FCH3
F
F
CN
CN
F
F
CNF
O — Si — AQ
O—SiO
CH3 F
Si
O
Si
CH3
CH3
O
CN
O SiO
Si
CH3
Si
OO
Si
O Si
O
O
O Si
O
CH3
O
O
OOSi
H3COOSi
O
O Si
OCH3
O Si
O
Si
H3C O
O Sio
Si 3
OCH
o
o
O
O
O
C18
C18
C
C18
NH
CF3
CF3
C
C18
XX
F
F
F
F
F
F
F
OF
O
F
F
NH2
NH2
F
O
OF
F
O
F
(CF2)O7
(CF2O
)7
— O — Si — AQ
O
(CF2)7
(CF2)7
(CF2)7
CN
O Si
Si
o Si
CH3
o Si
O
Si
(CF2)7
CN
X
O
O
O
F
Si
NH2
OH
OH
OH
Si
RN+
C18
NH2
NH2
+
RN
—O—
Si — AQ(CH3)3
O
CFC3
NH2
H3C
Si O
O Si O
O3
Si
CH
O)
O—SiO —
RNSi+ — AQ(CH
3 3
O Si RN+
RN+
O
NH
NH2
O
F
O
Si
SiF
O
CF3
CF3
SO3H
CFSO
3 3H
X
F
O
OH
OH
(CH3)3
CN
(CH3)3
H3C
CN
OSi
H3O
C Oo Si
CN
CH3
Si
O Si
O
Si 3
oCH
H33COO
CN
Si Si
OO
O CH
Si 33
O
O
OOSi
H3C
SiSi
H3O
COO
O
CN
Si
H3O
CO
CH3
OOSi
Si 3
CH
CH3
O
— O — Si — AQ
H3C O
OOSiSi
Si
CH3
OO
OF
XX
H3C oo SiSi
H3O
C Si Si
Si
H3O
C oCH3RN+
CH3 +
O Si Si
RN
CH3
CF3 OH
CF3 OH
X X
o Si
oo Si
O
Si
Si
Si
oO
O Si
C
O
C
NH
F
CN
O Si
CH3
NH
NH
F
F
F
F
F
o
C18
L19
F
F
F
O
H3C
O SiCH3 F
CH3 F
O
O Si
O
OOSi
O
C
O
O
O
H3C
F
O Si
CH3
F
F
H3C
— Si
O — Si — AQCN
O Si
C18
NH
F
o Si
Si
O
C
NH
(CF2)7
(CF2)7
Si
Si
O
SO3H
SO3H
H
SO3OH
OH
SO3H
(CH3)3
(CH3)3
CN
(CH3)3
(CF2)7
CF3
O Si
RN+
(CH3)3
— O — Si
—3 AQ
CH
o Si
o
O
NH
Si
CH3
C18
CN
O Si
H3C
O Si
OCH3
CN
O Si
O
O
CH3
NH
C
C& New Zealand contact: [email protected] or call +61 7 3205 5233
Australia
O O
O Si
O
C
X
Si
O
NH2
Si
18
CH3
O
OH
Welch column can substitute
Ultisil XB-C18 can substitute:
Symmetry C18
Luna C18
Hypersil BDS C18
BetaBasic C18
Inertsil ODS-2
Kromasil 100A C18
Symmetry shield RP C18
Luna C18(2)
Alltima C18
Platinum EPS C18
Inertsil ODS-3
HyPURITY C18
Discovery C18
Zobax Eclipse C18
Betasil C18
Supelcosil LC-18-DB
Ultisil AQ-C18 can substitute:
Aquasil C18
Zorbax SB-AQ C18
HydroBond PS C18
Ultra Aqueous C18
YMC-Pack ODS-AQ
Atlantis C18
Synergi Hydro-RP C18
HydroBond AQ C18
Prontosil C18 AQ
Elite Sino Chrom ODS-BP
Ultisil XB-C8 can substitute:
Symmetry C8
Discovery C8
Zorbax Eclipse XDB C8
Betasil C8
Supercosil LC-8-DB
YMC-Pack C8-AM
Cosmosil C8-MS
Luna C8
Hypersil BDS C8
BetaBasic C8
Inertsil C8
Kromasil 100A C8
Adsorbosphere HS C8
Nucleosil 100 C8 HD
Luna C8(2)
Alltima C8
Platinum EPS C8
Inertsil C8-3
HyPURITY C8
Develosil C8
Other Ultisil Columns: XB-CN, XB-Phenyl, XB-CN, SiO2 and Polar RP can replace the most of the same type
columns of other brands.
Xtimate® (wide pH range) can substitute:
Xterra series
Xbridge series
Extend series
Gemini series
Waters
Agilent
Phenomenex
Chiral Column Reference Table
Company
Brand
Coated Normal Phase
Welch
Ultisil
Cellu-D
Cellu-J
Daicel
Chiralcel
OD-H
OJ-H
Chiralpak
Coated Reversed Phase
Amy-D
AD-H
Amy-S
AS-H
Cellu-D/R
Cellu-J/R
OD-RH
OJ-RH
Amy-D/R
Amy-S/R
AS-RH
AS-RH
Australia & New Zealand contact: [email protected] or call +61 7 3205 5233
In Australia and New Zealand contact:
WINLAB PTY LTD
PO Box 5007, Brendale, Queensland, Australia 4500
Ph: +61 7 3205 5233 Fax: +61 7 3205 1209
Email: [email protected] www.winlab.com.au
Welch Materials (Shanghai), Inc.
Suite 1001B, Tower A, Building 1, 3000 Longdong, Pudong Shanghai 201203, China
Tel: 400-808-6760
Fax:+86-21-50276769
Welch Materials (Zhejiang), Inc.
No. 168 Shuanglin South Street, Jinhua, Zhejiang 321016, China
Tel: +86-579-82795008
Fax:+86-579-82795006
Hangzhou Welch Scientific Instrument Co., Ltd.
Room A1306, Building 2,No. 452, 6th Avenue, Baiyang Street,
Economic and Technological Development Zone, Hangzhou, Zhejiang 330018, China
Tel: +86-571-86811001
Fax:+86-571-86819393
Welch Materials, Inc.
9506 Big View Dr. Austin, TX 78730, USA
Tel: +1(410) 988-2362
Welch Materials (India),Pvt. Ltd.
Room 837, JMD Megapolis, Sector-48, Sohna Road, Gurgaon, Haryana 382481, India
Tel: +91-8980046913
Email: [email protected]
www.welchmat.com/en.aspx
Quality, Innovation, Competitive Price