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Merck

31457

Sodium tetraborate decahydrate

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

동의어(들):

Borax decahydrate, Sodium borate decahydrate

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:
Na2B4O7 · 10H2O
CAS 번호:
1303-96-4
Molecular Weight:
381.37
NACRES:
NB.24
PubChem Substance ID:
329753772
UNSPSC Code:
12352302
EC Number:
215-540-4
MDL number:
MFCD00149193
Assay:
≥99.5%
Form:
powder or crystals

주요 문서

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InChI key

CDMADVZSLOHIFP-UHFFFAOYSA-N

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;;;;;;;;;;

SMILES string

O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2

grade

ACS reagent, puriss. p.a.

agency

reag. ISO

assay

≥99.5%

form

powder or crystals

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

Quality Level

200

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관련 카테고리

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.

Legal Information

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Repr. 1B

저장 등급

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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시험 성적서(COA)

Lot/Batch Number

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문서 라이브러리 방문

Ana Juan-García et al.
Journal of chromatography. A, 1073(1-2), 229-236 (2005-05-25)
Two procedures based on solid-phase extraction (SPE) and stir-bar sorptive extraction (SBSE) in combination with micellar electrokinetic chromatography (MEKC)--diode array detection (DAD) were compared for the simultaneous extraction of acrinathrin, bitertanol, cyproconazole, fludioxonil, flutriafol, myclobutanil, pyriproxyfen, and tebuconazole in lettuce
A partial modification of the carbazole method of Bitter and Muir for quantitation of hexuronic acids.
M Kosakai et al.
Analytical biochemistry, 93(2), 295-298 (1979-03-01)
The analysis of aminoglycoside antibiotics by capillary electrophoresis.
Flurer CL.
Journal of Pharmaceutical and Biomedical Analysis, 13(7), 809-816 (1995)
Crystal structures of sodium sulfate decahydrate (Glauber's salt) and sodium tetraborate decahydrate (borax). Redetermination by neutron diffraction.
Levy HA and Lisensky GC.
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials, 34(12), 3502-3510 (1978)
Qingzhou Cui et al.
The Analyst, 134(5), 875-880 (2009-04-22)
We developed a photonic crystal sensing method for diol containing species such as carbohydrates based on a poly(vinyl alcohol) (PVA) hydrogel containing an embedded crystalline colloidal array (CCA). The polymerized CCA (PCCA) diffracts visible light. We show that in the
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