Advantec รหัส No.5A-150 กระดาษกรองเชิงปริมาณ,Quantitative filter paper,150mm.(1pk/100sheets)

Grade

Comments

Weight
(g/m2)

Thickness
(mm)

Flow Time*1
(sec)

Absorption
speed*2 (cm)

Wet
Strength*3
(kPa)

Nominal
Rating
(µm)

Collection
Efficiency
(%, 0.3
µm DOP)

Conversion*4

Whatman

ex-Schleicher
& Schuell

No. 3
Ashless

Medium retention (5-10 µm),
fast flow rate Analysis of
soils, fertilizers, cement, and
minerals

113

0

130

8

12

5
(Medium)

80

43

593-A

No. 5A
Ashless

Fast flow rate, retains coarse
particulates and gelatinous
precipitates (>10 µm). Filter
hydroxides and metallic
aerosols, environmental
monitoring, determine silica
content in steel

97

0

60

10

10

7
(Coarse
and
gelatinous)

75

41

589-IH

No. 5B
Ashless

Retains medium particles
(5-10 µm) such as CaCO3,
PbSO4, CaCO4, MnCO3,
ZnCO3, ZnS, AgCl

108

0

195

7.0

12

4
(Medium)

90

40

589 / 6
Green

No. 5C
Ashless

Collect fine precipitates
(<5 µm) such as SrSO4,
BaSO4, HgCrO4, and
colloidal dispersions;
gravimetric analysis

118

0

570

6.0

12

1
(Fine)

93

44

589 / 3
Blue

No. 6
Ashless

Retains medium-fine
particulates (2-10 µm), trace
and precious metals

103

0.20

300

6.0

12

3
(Medium
Fine)

90

-

589 / 2
White

No. 7
Ashless

Highest purity for retaining
medium particles (5-10 µm),
precise gravimetric analysis

87

0

200

7.0

10

4
(Medium)

85

-

-

No. 4A
Hardened

High wet strength, suitable for
use under high pressure, high
chemical and pH resistance,
retains fine crystalline
precipitates (<5 µm), slow
flow

96

0

915

4.0

52

1
(Very Fine)

90

50

-