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Merck

451614

Sigma-Aldrich

无水碳酸钠

anhydrous, powder, 99.999% trace metals basis

别名:

碳酸二钠盐, 纯碱, 苏打灰:

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5 G
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25 G
$341.00
50 G
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5 G
$103.00
25 G
$341.00
50 G
$668.00

About This Item

线性分子式:
Na2CO3
CAS号:
分子量:
105.99
Beilstein:
4154566
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.23

$103.00


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等级

anhydrous

质量水平

方案

99.999% trace metals basis

表单

powder

杂质

≤15.0 ppm Trace Metal Analysis

mp

851 °C (lit.)

溶解性

soluble 217 g/L at 20 °C (completely)

SMILES字符串

O=C(O[Na])O[Na]

InChI

1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

InChI key

CDBYLPFSWZWCQE-UHFFFAOYSA-L

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应用

碳酸钠可用作:

  • 用于合成铁基氧还原催化剂的致孔剂。
  • 用于捕获烟气CO2 的碱性固体吸附剂。
  • 用于合成纯相高镁方解石的前体。
它也可用于修饰ZSM-5催化剂的内部结构,用于甲醇制汽油反应。

生化/生理作用

缓冲液成分,可用于去除外周膜蛋白。

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Eye Irrit. 2

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Eduardo Isanta et al.
Water research, 80, 149-158 (2015-05-23)
Partial nitritation for a low-strength wastewater at low temperature was stably achieved in an aerobic granular reactor. A bench-scale granular sludge bioreactor was operated in continuous mode treating an influent of 70 mg N-NH4(+) L(-1) to mimic pretreated municipal nitrogenous
Kun-Hui Lu et al.
Journal of leukocyte biology, 98(3), 301-311 (2015-05-23)
Understanding the molecular mechanisms regulating T cell reactivity is required for successful reprogramming of immune responses in medical conditions, characterized by dysfunctions of the immune system. Nck proteins are cytoplasmic adaptors mediating diverse cellular functions, including TCR signaling. By enhancing
Yukiyo Sato et al.
PloS one, 9(6), e99041-e99041 (2014-06-11)
The accumulation of RCY1 protein, which is encoded by RESISTANCE TO CMV(Y) (RCY1), a CC-NB-LRR class R-gene, is tightly correlated with the strength of the resistance to a yellow strain of Cucumber mosaic virus [CMV(Y)] in Arabidopsis thaliana. In order
Dries Vandamme et al.
Bioresource technology, 105, 114-119 (2011-12-21)
Microalgae hold great potential as a feedstock for biofuels or bulk protein or treatment of wastewater or flue gas. Realising these applications will require the development of a cost-efficient harvesting technology. Here, we explore the potential of flocculation induced by
Florence Haudin et al.
Physical chemistry chemical physics : PCCP, 17(19), 12804-12811 (2015-04-25)
The growth of chemical gardens is studied experimentally in a horizontal confined geometry when a solution of metallic salt is injected into an alkaline solution at a fixed flow rate. Various precipitate patterns are observed-spirals, flowers, worms or filaments-depending on

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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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