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Dear Customer:

The current international situation is complex and volatile, and uncertain tariff policies may potentially impact our product prices. Given these uncertainties, we value your understanding regarding order-related matters.

If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

Merck
CN

13568

Sigma-Aldrich

碳酸钠 一水合物

puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, 99.5-100.5% (ex dried subst.)

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About This Item

线性分子式:
Na2CO3 · H2O
CAS号:
分子量:
124.00
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.21

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等级

puriss.

方案

99.5-100.5% (ex dried subst.)

表单

powder or crystals

质量

meets analytical specification of Ph. Eur., BP, NF, FCC, E500

杂质

alkali hydroxides and-bicarbonates, complies
organic volatile impurities, complies (GC)
residual solvents, complies

缺失

12-15% loss on drying, 300 °C

痕量阴离子

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg

痕量阳离子

As: ≤2 mg/kg
Cu: ≤10 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
K: ≤300 mg/kg
Pb: ≤4 mg/kg
Zn: ≤10 mg/kg

适用性

complies for appearance of solution

SMILES字符串

O.[Na+].[Na+].[O-]C([O-])=O

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HS14521CHS14521BW1001
D × H

43 mm × 12 mm , small

D × H

70 mm × 12 mm , large

D × H

57 mm × 12 mm , meduim

D × H

-

应用

缓冲剂组分,可用于除去外周膜蛋白。

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

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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The quantitative monitoring of mechanochemical reaction between solid L-tartaric acid and sodium carbonate monohydrate by terahertz spectroscopy.
Liu X, et al.
Journal of Physics and Chemistry of Solids, 72(11), 1245-1250 (2011)
Dehydration of sodium carbonate monohydrate with indirect microwave heating.
Seyrankaya A and Ozalp B.
Thermochimica Acta, 448(1), 31-36 (2006)
Feng Gu et al.
Bioresource technology, 124, 299-305 (2012-09-20)
Green liquor consists of sodium carbonate and sodium sulfide and is readily available in any kraft mills. The green liquor pretreatment process for bioethanol production was developed for wood chips. This process uses only proven technology and equipment currently used
Ping Guo et al.
Journal of virological methods, 183(2), 139-146 (2012-05-09)
Preclinical gene therapy studies both in vitro and in vivo require high purity preparations of adeno-associated virus (AAV). Current methods for purification of AAV entail the use of centrifugation over either a CsCl or iodixanol gradient, or the use of
Linfeng Yang et al.
Bioresource technology, 124, 283-291 (2012-09-20)
The effects of sodium carbonate (Na(2)CO(3)) pretreatment on the chemical compositions and enzymatic saccharification of rice straw were investigated. The enzymatic digestibility of rice straw is enhanced after pretreatment since pretreated solids show significant delignification with high sugar availability. During

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