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Qualitative Paper (more sizes available, Inquire)
To order, see specific Qualitative Paper categories below.
• Made of 100% alpha cotton cellulose: Ash content 01%
• Stable from pH 0~12; thermostable up to 120°C
|
Type
|
Applications/Comments
|
Weight
(g/m2) |
Thickness
(mm) |
Retention Characteristics
(μm) |
Collection Efficiency
(%, 0.3μm DOP) |
|---|---|---|---|---|---|
|
No. 1
|
Retains large crystalline particles and gelatinous precipitates. Fast flow rate, smooth surface, normal hardness.
|
90
|
0.20
|
Coarse (6)
|
65
|
|
No. 2
|
Retains medium crystalline particles. Fast flow rate, smooth surface, normal hardness.
|
125
|
0.26
|
Medium (5)
|
80
|
|
No. 231
|
Retains crystalline particles. Moderate flow rate, smooth surface, normal hardness.
|
95
|
0.18
|
Medium
|
-
|
|
No. 232
|
Retains medium to medium-fine particles. Slow flow rate, smooth surface, normal hardness.
|
90
|
0.18
|
Medium/ Medium Fine
|
-
|
|
No. 131
|
High retention efficiencey for fine particles, like barium sulfate. Slow flow rate, smooth surface, normal hardness.
|
140
|
0.25
|
Medium-Fine (3)
|
90
|
|
No. 235
|
Highest retention efficiency, retaining very fine particles. Very slow flow rate, smooth surface, normal hardness.
|
95
|
0.17
|
Very Fine
|
-
|
|
No. 101
|
Seed germination; retains large particles.
|
80
|
0.21
|
Coarse and Gelatinous (6-7)
|
-
|
No.1 Qualitative Filter Paper, 11cm diameter, 100/pack
1-11CM
11cm diameter circles, No.1 Qualitative Paper, 6 Coarse Retention, 100/pack
Conversion: Whatman 4; S & S 604
For general Filtration with fast flow rate. Retains coarse and gelatinous precipita
Conversion: Whatman 4; S & S 604
For general Filtration with fast flow rate. Retains coarse and gelatinous precipita
$13.35
No.1 Qualitative Filter Paper, 12.5cm diameter, 100/pack
1-125CM
12.5cm diameter circles, No.1 Qualitative Paper, Coarse Retention, 100/pack
Conversion: Whatman 4; S & S 604
For general Filtration with fast flow rate. Retains coarse and gelatinous precipitates
100% alpha cotton cellulose
Conversion: Whatman 4; S & S 604
For general Filtration with fast flow rate. Retains coarse and gelatinous precipitates
100% alpha cotton cellulose
$13.85
No.1 Qualitative Filter Paper, 15.0cm, 100/pack
1-15CM
15cm diameter circles, No.1 Qualitative Paper, Coarse Retention, 100/pack
Conversion: Whatman 4; S & S 604
For general Filtration with fast flow rate. Retains coarse and gelatinous precipitation.
Conversion: Whatman 4; S & S 604
For general Filtration with fast flow rate. Retains coarse and gelatinous precipitation.
$19.40
No.1 Qualitative Filter Paper, 24cm diameter, 100/pack
1-24CM
24cm diameter circles, No.1 Qualitative Paper, Coarse Retention, 100/pack
SAVE - Compare directly
with Whatman #4.
SAVE - Compare directly
with Whatman #4.
$44.90
No.1 Qualitative Filter Paper, 9.0cm diameter, 100/pack
1-9CM
9cm diameter circles, No.1 Qualitative Paper, Coarse Retention, 100/pack
Conversion: Whatman 4; S & S 604
For general Filtration with fast flow rate. Retains coarse and gelatinous precipitation.
Conversion: Whatman 4; S & S 604
For general Filtration with fast flow rate. Retains coarse and gelatinous precipitation.
$10.55
No.131 Qualitative Filter Paper
131-15CM
15cm diameter circles, No.131 Qualitative Paper, 100/pack
Conversion: Whatman 3 or 6; S & S 593-A
This paper has the highest retention efficiency (<5µm) and slower flow rate. This paper has
Conversion: Whatman 3 or 6; S & S 593-A
This paper has the highest retention efficiency (<5µm) and slower flow rate. This paper has
$40.25
No.131 Qualitative Filter Paper
131-7CM
7cm diameter circles, No.131 Qualitative Paper, 100/pack
Conversion: Whatman 3 or 6; S & S 593-A
This paper has the highest retention efficiency (<5µm) and slower flow rate. This paper has a
Conversion: Whatman 3 or 6; S & S 593-A
This paper has the highest retention efficiency (<5µm) and slower flow rate. This paper has a
$14.20
No.131 Qualitative Filter Paper
131-9CM
9cm diameter circles, No.131 Qualitative Paper, 100/pack
Conversion: Whatman 3 or 6; S & S 593-A
This paper has the highest retention efficiency (<5µm) and slower flow rate. This paper has a
Conversion: Whatman 3 or 6; S & S 593-A
This paper has the highest retention efficiency (<5µm) and slower flow rate. This paper has a
$18.60
No.2 Qualitative Filter Paper
2-15CM
15cm diameter circles, No.2 Qualitative Paper, 100/pack
Conversion: Whatman 1; S & S 591-A or 597.
This paper is thicker than No. 1 paper and will retain medium size precipitates (5-10µm). S
Conversion: Whatman 1; S & S 591-A or 597.
This paper is thicker than No. 1 paper and will retain medium size precipitates (5-10µm). S
$25.35
No.2 Qualitative Filter Paper
2-185CM
18.5cm diameter circles, No.2 Qualitative Paper, 100/pack
Conversion: Whatman 1; S & S 591-A or 597.
This paper is thicker than No. 1 paper and will retain medium size precipitates (5-10µm).
Conversion: Whatman 1; S & S 591-A or 597.
This paper is thicker than No. 1 paper and will retain medium size precipitates (5-10µm).
$40.00
No.2 Qualitative Filter Paper
2-7CM
7cm diameter circles, No.2 Qualitative Paper, 100/pack
Conversion: Whatman 1; S & S 591-A or 597.
This paper is thicker than No. 1 paper and will retain medium size precipitates (5-10µm). Sm
Conversion: Whatman 1; S & S 591-A or 597.
This paper is thicker than No. 1 paper and will retain medium size precipitates (5-10µm). Sm
$9.50
No.2 Qualitative Filter Paper, 24cm diameter
2-24CM
24cm diameter circles
No.2 Qualitative Paper
100/pack
SAVE - Compare directly
with Whatman #1.
No.2 Qualitative Paper
100/pack
SAVE - Compare directly
with Whatman #1.
$61.30
No.2 Qualitiative Filter Paper
2-9CM
9cm diameter circles, No.2 Qualitative Paper, 100/pack
Conversion: Whatman 1; S & S 591-A or 597.
This paper is thicker than No. 1 paper and will retain medium size precipitates (5-10µm). Sm
Conversion: Whatman 1; S & S 591-A or 597.
This paper is thicker than No. 1 paper and will retain medium size precipitates (5-10µm). Sm
$13.15
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