13471
亚硫酸钠
puriss., meets analytical specification of Ph. Eur., BP, NF, anhydrous, 95.0-100.0% (iodometric)
登录 查看组织和合同定价。
选择尺寸
关于此项目
线性分子式:
Na2SO3
化学文摘社编号:
分子量:
126.04
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-821-4
MDL number:
Assay:
95.0-100.0% (iodometric)
Form:
solid
InChI key
GEHJYWRUCIMESM-UHFFFAOYSA-L
InChI
1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
SMILES string
[Na+].[Na+].[O-]S([O-])=O
grade
puriss.
assay
95.0-100.0% (iodometric)
form
solid
quality
meets analytical specification of Ph. Eur., BP, NF
impurities
residual solvents, complies, ≤0.001% heavy metals (as Pb), ≤0.05% thiosulfate (S2O3)
pH
9.0-10.5 (25 °C, 126 g/L)
anion traces
chloride (Cl-): ≤200 mg/kg
cation traces
Fe: ≤10 mg/kg, Se: ≤10 mg/kg, Zn: ≤10 mg/kg
suitability
complies for appearance of solution
Quality Level
正在寻找类似产品? 访问 产品对比指南
Yonghong Wu et al.
Analytical biochemistry, 423(1), 15-22 (2012-02-14)
In the current study, we examined the expression level of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) protein in a number of organisms and the stability of GAPDH under various conditions. Our results revealed that GAPDH is present in multiple Escherichia coli strains, the
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
Ben M Goff et al.
Journal of the science of food and agriculture, 92(4), 751-758 (2011-11-19)
A variety of methods have been developed for estimating lignin concentration within plant materials. The objective of this study was to compare the lignin concentrations produced by six methods on a diverse population of forage and biomass materials and to
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
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
我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
联系客户支持