Filter Papers, circles & sheets, 100/pkg, Ahlstrom
Qualitative, Standard Grades (for gravity filtration)
Slow Flow (4 mL/min), 1.5µ retention, grade 610
(Whatman 5, S&S 602)
9 cm. 6100-0900............................................................. $6.00
12.5 cm. 6100-1250........................................................ $7.75
15 cm. 6100-1500........................................................... $9.10
20.5 cm. 6100-2050...................................................... $14.35
Medium Flow (33 mL/min), 2µ retention, grade 642
(Whatman 2, 2CHR, 20CHR; S&S 2043B, 2045A/B)
9 cm. 6420-0900............................................................. $4.65
15 cm. 6420-1500........................................................... $8.45
Medium Flow (55 mL/min), 2.5µ retention, grade 601
(Whatman 1, 1CHR; S&S 593, 597, 2043A)
4.25 cm. 6010-0425........................................................ $3.60
9 cm. 6010-0900............................................................. $4.80
15 cm. 6010-1500........................................................... $8.50
20.5 cm. 6010-2050...................................................... $13.25
33 cm. 6010-3300......................................................... $35.80
Medium Flow (60 mL/min), 3µ retention, grade 237
(Whatman 3, 3CHR; S&S 22/2, 591, 2469, 5703)
46 x 57 cm, 100/pkg. 2378-4657................................ $159.55
Medium Flow (60 mL/min), 6µ retention, grade 613
(Whatman Student; S&S 595, 0903)
9 cm. 6130-0900............................................................. $4.20
15 cm. 6130-1500........................................................... $7.40
20.5 cm. 6130-2050...................................................... $11.10
33 cm. 6130-3300......................................................... $24.70
Medium Flow (200 mL/min), 10µ retention, grade 631
(Whatman 4, 4CHR; S&S 604, 2040A/B)
20.5 cm. 6310-2050...................................................... $13.40
33 cm. 6310-3300......................................................... $36.20
Fast Flow (235 mL/min), 25µ retention, grade 615
9 cm. 6150-0900............................................................. $4.20
15 cm. 6150-1500........................................................... $7.40
20.5 cm. 6150-2050...................................................... $11.10
33 cm. 6150-3300......................................................... $24.70
Qualitative, Wet-Strengthened Grades (for vacuum filtration)
Medium Flow (65 mL/min), 3µ retention, grade 909
(Whatman 91; S&S 0860, 1574, 3003; Reeve 201)
33 cm. 9090-3200......................................................... $39.00
Fast Flow (245 mL/min), 27µ retention, grade 962
(Whatman 114; S&S 0856, 0905, 3002)
11 cm. 9620-1100........................................................... $5.80
Quantitative, Pleated (Fluted)
Grade 542, 30 mL/min flow rate, 2 µ retention
(Whatman 2V)
9 cm. 0550-0900.........................................................$48.05
15 cm. 0550-1500...................................................... $54.35
Quantitative, Ashless
Slow Flow (4 mL/min), 1.5µ retention, grade 94
(Whatman 42; S&S 589/3)
9 cm. 0940-0900........................................................... $18.80
15 cm. 0940-1500......................................................... $32.40
Medium Flow (30 mL/min), 2µ retention, grade 74
(Whatman 40; S&S 589/2, 589/4)
9 cm. 0740-0900........................................................... $18.80
15 cm. 0740-1500......................................................... $32.40
Fast Flow (235 mL/min), 15µ retention, grade 55
(Whatman 54, 541; S&S 1505)
9 cm. 0550-0900........................................................... $21.25
15 cm. 0550-1500......................................................... $34.15
Blotting/Chromatography/Electrophoresis Papers, sheets
1.02 mm thick, 180 mm/30 min absorption, grade 243
(Whatman 17CHR; S&S 2668)
11 x 14 cm, 100/pkg. 2438-1114......................................... $12.95
20 x 20 cm, 100/pkg. 2438-2020......................................... $25.30
46 x 57 cm, 100/pkg. 2438-4657....................................... $233.45
2.45 mm thick, 240 mm/30 min absorption, grade 320
(S&S 2727)
20 x 20 cm, 50/pkg. 3208-2020........................................... $41.25