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31457 Sigma-Aldrich

Sodium tetraborate decahydrate

puriss. p.a., ACS reagent, reag. ISO, buffer substance, ≥99.5%

Synonym: Borax decahydrate, Sodium borate decahydrate

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, Puriss p.a. ACS,
Quality Level   200
grade   ACS reagent, reag. ISO
  puriss. p.a.
assay   ≥99.5%
pH   9.0-9.6 (20 °C, 5%)
density   1.73 g/mL at 25 °C (lit.)
anion traces   chloride (Cl-): ≤10 mg/kg
  phosphate (PO43-): ≤10 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   As: ≤1 mg/kg
  Ca: ≤50 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  Pb: ≤5 mg/kg
SMILES string   O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2
InChI   1S/B4O7.2Na.10H2O/c5-1-7-3-9-2(6)10-4(8-1)11-3;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;;
InChI key   CDMADVZSLOHIFP-UHFFFAOYSA-N

Description

Application

Sodium tetraborate decahydrate may be used in the following studies:
• Modified carbazole method for the quantitive determination of hexuronic acids.
• Quantitative estimation of aminoglycoside antibiotics (dihydrostreptomycin and streptomycin) by capillary electrophoresis coupled with UV detection.
• To compose the buffer along with cholic acid sodium solution (pH 9.2) for micellar electrokinetic chromatographic (MEKC) quantification of pesticides.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
VZ2275000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Single- & multi-channel pipettes from BRAND
Protocols & Articles
Peer-Reviewed Papers
15

References

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