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Merck
CN

20301

Molecular Sieve, 5Å

45-60 mesh, bottle of 50 g

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UNSPSC Code:
23201100
eCl@ss:
32110204
NACRES:
NB.21

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产品名称

分子筛吸附剂, matrix Molecular Sieve 5A, 45-60 mesh, bottle of 50 g

agency

suitable for USP/NF nitrogen

form

solid

packaging

bottle of 50 g

matrix

Molecular Sieve 5A

particle size

45-60 mesh

pore size

5 Å pore diameter

density

~0.72 g/mL (free fall density)

Quality Level

100

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相关类别

General description

分子筛是合成生产的沸石（自然存在的铝硅酸盐矿物），其特点是孔隙和尺寸极为一致的内腔。这些晶体材料具有基于氧化硅 (SiO 4 ) 和氧化铝 (AlO 4 ) 多面体的三维结构。多面体通过它们的角连接在一起，产生一个开放的结构，内腔中的分子可以被捕获。这些材料经过设计，可通过特定和均匀尺寸的孔进入内部空腔。

有关我们的吸附剂的更多信息，请访问 sigma-aldrich.com/adsorbents

pictograms

Health hazard
GHS08

signalword

Warning

hcodes

H373

Hazard Classifications

STOT RE 2 Inhalation

target_organs

Lungs

存储类别

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. Where can I get additional information about Molded Thermogreen™ LB-2 Septa?

    Please see the product information sheet (under Documents, above).

  4. Is this product a packed column?

    This is packing material only; it is not a column. Some endusers will purchase this bottle of packing and prepare their own packed columns.

  5. How can I purchase a column that is packed with this material?

    Most packed column are custom made and require that you obtain a quotation. Please contact our Customer & Sales Services group at phone number (800)-247-6628, fax number (800)-447-3044 or email CIBelle@sial.com for additional information.

  6. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  7. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  8. What is the maximum temperature for this packing?

    The maximum temperature for this packing is 400 °C.

  9. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Measurement of atmospheric nitrous oxide using a molecular sieve 5A trap and gas chromatography.
Miles LD.
Analytical Chemistry, 43 (8), 1113-1115 (1971)

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