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254304

Sigma-Aldrich

Lithium tetraborate

≥99.995% trace metals basis

Synonym(s):

Dilithium tetraborate

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About This Item

Linear Formula:
Li2B4O7
CAS Number:
12007-60-2
Molecular Weight:
169.12
EC Number:
234-514-3
MDL number:
MFCD00011083
UNSPSC Code:
12352302
PubChem Substance ID:
24855374
NACRES:
NA.23

Assay

≥99.995% trace metals basis

form

powder

impurities

≤50.0 ppm Trace Metal Analysis

mp

760-880 °C (lit.)

solubility

H2O: slightly soluble(lit.)

density

≥0.25 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

SMILES string

[Li+].[Li+].[O-]B(OB=O)OB([O-])OB=O

InChI

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

InChI key

PSHMSSXLYVAENJ-UHFFFAOYSA-N

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General description

Lithium tetraborate in combination with oxalic acids and lithium carbonate in the ratio (1:1:1) may be used as an effective fusing agent for siliceous samples. It is widely employed in lithium tetraborate fusion procedure, suited for a variety of soils and rocks. Lithium tetraborate also finds applications in radiation detectors and dosimeters.

Application

Lithium tetraborate may be used as an analytical reagent for the analysis of major and trace elements in coal fly ashes and environmental materials using inductively coupled plasma atomic emission spectrometry (ICP-AES). It may also be used as an alkali fusion reagent for the determination of silicon in zirconium oxide powder using ICP-AES.

Signal Word

Danger

Hazard Statements

H302,H318,H361fd

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW8971
MKCV8269
MKCV4688
MKCR0848
MKCQ1449

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Contamination-free decomposition of zirconium oxide for the determination of ultra-trace silicon by inductively coupled plasma-atomic emission spectrometry
Watanabe M, et al.
Analytica Chimica Acta, 416(1), 117-119 (2000)
Analysis of siliceous materials and coal by atomic absorption spectrophotometry with fusion for sample decomposition
Lau W-O, et al.
Talanta, 51(5), 1009-1018 (2000)
Analysis of coal fly ash and environmental materials by inductively coupled plasma atomic emission spectrometry: comparison of different decomposition procedures
Bettinelli M, et al.
Journal of Analytical Atomic Spectrometry, 2(5), 485-489 (1987)
Development of a qualitative, multiplex real-time PCR kit for screening of genetically modified organisms (GMOs)
Dorries H-H, et al.
Analytical and Bioanalytical Chemistry, 396(6), 2043-2054 (2010)
Sparks LD, et al.
Methods of Soil Analysis, Part 3: Chemical Methods, 14 (2020)
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