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Sodium oxalate

reference material for titrimetry, certified by BAM, >99.5%

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Synonym(s):
Ethanedioic acid sodium salt, Oxalic acid disodium salt
Linear Formula:
NaOOCCOONa
CAS Number:
Molecular Weight:
134.00
Beilstein/REAXYS Number:
3631622
EC Number:
MDL number:
UNSPSC Code:
41116107
eCl@ss:
39021701
PubChem Substance ID:
NACRES:
NA.24

grade

reference material

Quality Level

assay

>99.5%

quality

certified by BAM

technique(s)

titration: suitable

format

neat

SMILES string

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

InChI

1S/C2H2O4.2Na/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;/q;2*+1/p-2

InChI key

ZNCPFRVNHGOPAG-UHFFFAOYSA-L

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General description

Sodium oxalate is a volumetric standard produced under stringent conditions and analyzed with the highest possible precision. The content determination and homogeneity assessment of the reductometric standard are carried out using volumetric redox titration as the primary analysis method.

Application

The reference material is used as a reductometric standard for titer determinations in redox titrations.

Features and Benefits

  • Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
  • Traceable to NIST standard reference material
  • High-quality offering accurate titer determinations
  • Accompanied by a certificate of analysis (CoA)

Analysis Note

Exact concentration, expiry date, traceability and detailed information on certification can be found on the certificate and certification report, included in each package. Content and expiry date on label.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Pyromorphite (PY) and some zinc phosphates (Zn-P) are very sparingly soluble minerals and hence can immobilize Pb and Zn in contaminated soils. However, mechanisms leading to the poor efficiency of PY and Zn-P formation in contaminated soils amended with P
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Acid formation in Aspergillus niger is known to be subjected to tight regulation, and the acid production profiles are fine-tuned to respond to the ambient pH. Based on transcriptome data, putative trans-acting pH responding transcription factors were listed and through
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Dilute oxalic acid pretreatment was applied to maple wood to improve compatibility with downstream operations, and its performance in pretreatment and subsequent enzymatic hydrolysis was compared to results for hydrothermal and dilute hydrochloric and sulfuric acid pretreatments. The highest total

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