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Merck

1.01972

Silica gel with moisture indicator (brown gel)

desiccant ~ 1 - 4 mm

Synonym(s):

Brown Silica Gel

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About This Item

NACRES:
NB.51
UNSPSC Code:
41123003
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agency

suitable for EPA OTM-45

form

granular

surface area

700 m2/g

loss

≤2.0% loss on drying, 150°C

Quality Level

matrix

Silica base material

particle size

1-4 mm

pore size

2.0-2.5 nm

pH

2-10 (50 g/L in H2O, slurry)

mp

>1000 °C

application(s)

PFAS testing

storage temp.

2-30°C

General description

Silica gel with moisture indicator (brown gel) is commonly used as a desiccant in laboratories. Silica brown gel changes its color from brown to yellowish at water uptake from the atmosphere.

Analysis Note

Bulk density: about 75
Loss on drying (150 °C): ≤ 2.0 %
Water absorption capacity (24 hrs.,80 % relative humidity): ≥ 20.0 %

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Related Content

FAS、すなわち「永遠の化学物質」は環境中に残留し続け、ヒトの健康にリスクをもたらします。PFAS分析に携わる研究者、規制当局、PFAS定量用のメルクの環境モニタリングツールをご覧ください。

Global Trade Item Number

SKUGTIN
1.01972.902504022536907116
1.01972.100004022536898414
1.01972.500004022536948430

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