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S4672

亚硫酸钠

Name: 亚硫酸钠
Brand: SIAL

BioXtra, ≥98%

别名:

Natrium sulfite, Sodium sulphite

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关于此项目

线性分子式:

Na₂SO₃

化学文摘社编号:

7757-83-7

分子量:

126.04

NACRES:

NA.25

PubChem Substance ID:

24899614

UNSPSC Code:

12352302

EC Number:

231-821-4

MDL number:

MFCD00003503

Assay:

≥98%

Form:

powder or crystals

Solubility:

H₂O: 1 M at 20 °C, clear, colorless

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属性

product line

BioXtra

Quality Level

200

assay

≥98%

form

powder or crystals

impurities

≤0.005% Insoluble matter, ≤5 ppm Phosphorus (P)

solubility

H₂O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤0.02%

cation traces

Al: ≤5 ppm, Ca: ≤0.01%, Cu: ≤5 ppm, Fe: ≤5 ppm, K: ≤0.05%, Mg: ≤0.005%, NH₄⁺: ≤0.05%, Pb: ≤10 ppm, Zn: ≤5 ppm

SMILES string

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

InChI

1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2

InChI key

GEHJYWRUCIMESM-UHFFFAOYSA-L

说明

Application

基于化学处理并以来自玉米壳副产物的微晶纤维素强化的大豆蛋白基膜: 该研究探索了一种大豆蛋白基膜的开发，该膜以来自玉米壳副产物的微晶纤维素强化，并以亚硫酸钠进行化学处理。产生的膜具有增强的机械性质，从而成为可生物降解包装的切实可行的选择（Zhang et al., 2024）（Zhang et al., 2024）。

原始细胞（primitive cell）中能量采集过程的建模：亚硫酸盐氧化驱动的质子传输穿越双层该论文为原始细胞中的能量采集过程建模，重点关注了亚硫酸盐氧化驱动的质子传输穿越双层。这些发现有助于我们理解早期细胞生物能量学以及亚硫酸盐在这些过程中的作用（Paula et al., 2024）（Paula et al., 2024）。

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存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Gloves

历史批次信息供参考:

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Performance of a pilot-scale packed bed reactor for perchlorate reduction using a sulfur oxidizing bacterial consortium.

Amber R Boles et al.

Biotechnology and bioengineering, 109(3), 637-646 (2011-10-22)

A novel sulfur-utilizing perchlorate reducing bacterial consortium successfully treated perchlorate (ClO₄⁻) in prior batch and bench-scale packed bed reactor (PBR) studies. This study examined the scale up of this process for treatment of water from a ClO ₄⁻ and RDX contaminated

Spectrophotometric determination of EDTA in aqueous solution through ferroin formation using sodium sulfite as the reducer.

Jingang Wang et al.

Chemosphere, 91(3), 351-357 (2012-12-26)

This paper presents a simple, easy and reliable method for determination of EDTA (ethylenediaminetetraacetic acid) in aqueous system. Using EDTA chelating with ferric irons, an excessive amount of Fe(3+) was added to EDTA solution, and Fe(3+) in excess was reduced

Evaluation of the Forrester-Hepburn mechanism as an artifact source in ESR spin-trapping.

Fabian Leinisch et al.

Chemical research in toxicology, 24(12), 2217-2226 (2011-10-19)

Nitrone spin traps such as 5,5-dimethyl-1-pyrroline-N-oxide (DMPO) are commonly used for free radical detection. Though proven examples are rare, artifact formation must be considered. For example, the Forrester-Hepburn mechanism yields the same radical adduct as that formed by genuine radical

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全球贸易项目编号

货号	GTIN
S4672-100G	04061836928049
S4672-250G	04061836928100
S4672-1KG	04061836928070