MilliporeSigma
  • 101969
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1.01969

Supelco

Silica gel with indicator (orange gel),

granulate ~ 1 - 3 mm

All Photos(1)

Quality Level

200

form

granular

loss

≤2.0% loss on drying, 140°C

particle size

1-3 mm

pore size

2.0-2.5 nm

surface area

BET surf. area 700 m2/g

capacity

250 g/kg water absorbing capacity(20 °C)

mp

>1000 °C

application(s)

histology

storage temp.

2-30°C

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Supelco

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ORBO™ 502 Activated Silica Gel (20/45) 100/50 mg

form

granular

form

granular

form

-

form

-

loss

≤2.0% loss on drying, 140°C

loss

≤2.0% loss on drying, 150°C

loss

-

loss

-

particle size

1-3 mm

particle size

1-4 mm

particle size

20-40 mesh

particle size

20-45 mesh

pore size

2.0-2.5 nm

pore size

2.0-2.5 nm

pore size

-

pore size

-

surface area

BET surf. area 700 m2/g

surface area

BET surf. area 700 m2/g

surface area

-

surface area

-

mp

>1000 °C

mp

>1000 °C

mp

-

mp

-

General description

Silica gel with the indicator or orange gel frequently used as a drying agent in laboratories is suitable for drying all gases and solids. It is used in drying towers, desiccators, and absorption tubes. Due to its vast surface area, silica gel orange provides excellent absorption capacity, enabling longer storage conditions. When it absorbs moisture, it also turns orange to colorless. (approx. 6 wt % load).

Analysis Note

Water absorption capacity (24 hrs.,80 % relative humidity): ≥ 25.0 %
Loss on drying (140 °C): ≤ 2.0 %
Bulk density: about 70

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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