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Natriumtetraborat

anhydrous, decomposing agent (for x-ray fluorescence analysis), ≥99%

Synonym(e):

Borax

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About This Item

Lineare Formel:
Na2B4O7
CAS-Nummer:
1330-43-4
Molekulargewicht:
201.22
EG-Nummer:
215-540-4
MDL-Nummer:
MFCD00081185
UNSPSC-Code:
12000000
PubChem Substanz-ID:
329763690
NACRES:
NA.21

Qualität

decomposing agent (for x-ray fluorescence analysis)

Qualitätsniveau

100

Assay

≥99%

Form

crystals

Verlust

≤1% loss on ignition, 800 °C

Anionenspuren

chloride (Cl-): ≤50 mg/kg
phosphate (PO43-): ≤20 mg/kg
silicate (as SiO2): ≤500 mg/kg
sulfate (SO42-): ≤50 mg/kg

Kationenspuren

Ba: ≤10 mg/kg
Ca: ≤10 mg/kg
Cd: ≤2 mg/kg
Co: ≤2 mg/kg
Cr: ≤2 mg/kg
Cu: ≤2 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Ni: ≤2 mg/kg
Pb: ≤2 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

Anwendung(en)

forensics and toxicology

SMILES String

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

InChI

1S/B4O7.2Na/c5-1-7-3-9-2(6)10-4(8-1)11-3;;/q-2;2*+1

InChIKey

UQGFMSUEHSUPRD-UHFFFAOYSA-N

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Sonstige Hinweise

this product will be discontinued, please find the alternative product here :
106306

Rechtliche Hinweise

Piktogramme

Health hazardExclamation mark
GHS08,GHS07

Signalwort

Danger

H-Sätze

H319,H360FD

Gefahreneinstufungen

Eye Irrit. 2 - Repr. 1B

Lagerklassenschlüssel

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

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Choose from one of the most recent versions:

Analysenzertifikate (COA)

Lot/Batch Number
BCBK8538V
1137285V
1137285
392136/1
358772/1

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Danyue Zhao et al.
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An efficient and sensitive method for the separation and determination of three essential amino acids and three B vitamins by CE-LIF with a simultaneous derivatization procedure was developed. The conditions for derivatization and separation of these micronutrients were investigated. FITC
Shao-Qiang Hu et al.
Electrophoresis, 34(2), 260-268 (2012-11-20)
Based on the investigation of the effect of microemulsion charge on the chiral separation, a new chiral separation method with MEEKC employing neutral microemulsion was established. The method used a microemulsion containing 3.0% (w/v) neutral surfactant Tween 20 and 0.8%
Ho-Yong Kim et al.
Environmental toxicology and chemistry, 30(6), 1297-1305 (2011-03-08)
Okara, an organic waste product obtained from soy milk production, was used with copper chloride or sodium borate to formulate new wood preservatives as a substitute for expensive wood preservatives, such as copper-azole-based preservatives and ammoniacal copper quaternary. Before formulating
Jamshed Iqbal et al.
Journal of chromatography. A, 1218(29), 4764-4771 (2011-06-15)
A simple, efficient, and highly sensitive in-line CE method was developed for the characterization and for inhibition studies of the nucleoside-metabolizing enzymes purine nucleoside phosphorylase (PNP) and adenosine deaminase (ADA) present in membrane preparations of human 1539 melanoma cells. After
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