Bio-Rad Bio-Gel A Agarose Gel User Manual
Page 4
Table 2. Properties of Bio-Gel A Gels
Product
Hydrated Bead Typical Flow Fractionation
Size
Rates*
Range/Exclusion
Grade
(µm)
(cm/hr)
Limit (daltons)
Bio-Gel A-0.5m gel
151-0130
Coarse
150–300
20–25
<10,000–500,000
151-0140
Medium
75–150
15–20
<10,000–500,000
151-0150
Fine
38–75
7–13
<10,000–500,000
Bio-Gel A-1.5m gel
151-0430
Coarse
150–300
20–25
<10,000–1,500,000
151-0440
Medium
75–150
15–20
<10,000–1,500,000
151-0450
Fine
38–75
7–13
<10,000–1,500,000
Bio-Gel A-5m gel
151-0730
Coarse
150–300
20–25
10,000–5,000,000
151-0740
Medium
75–150
15–20
10,000–5,000,000
151-0750
Fine
38–75
7–13
10,000–5,000,000
Bio-Gel A-15m gel
151-1030
Coarse
150–300
20–25
40,000–15,000,000
151-1040
Medium
75–150
15–20
40,000–15,000,000
151-1050
Fine
38–75
7–13
40,000–15,000,000
Bio-Gel A-50m gel
151-1330
Coarse
15–300
20–25
100,000–50,000,000
151-1340
Fine
75–150
5–15
100,000–50,000,000
* Flow rate determined by using a 1.5 x 20 cm column and a head to bed
ratio of 1:1.
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Section 2
Technical Description
Table 1. Bio-Gel A Gel Product Description
Matrix
Bio-Gel agarose gel
Particle size range
Coarse
150–300 µm
50–100 mesh
Medium
75–150 µm
100–200 mesh
Fine
38–75 µm
200–400 mesh
Shipping medium
Fully hydrated in water, with 0.05%
sodium azide added as a preservative.
Resistance
pH range
4–13
Maximum operating pressure
15 psi
Organic solvents
20% alcohol
Temperature range*
2–30 °C
Storage
4 °C to room temperature
* Note: Above this temperature range the gel softens and freezing causes
irreversible collapse of the gel structure and alteration of the exclusion
limit.
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