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Merck

1.11802

Spectromelt® A 12

66% di-lithium tetraborate/34% lithium metaborate, for X-ray fluorescence analysis

Synonym(s):

Lithium Tetraborate

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About This Item

NACRES:
NA.21
UNSPSC Code:
12352402
Form:
solid
Solubility:
50 g/L
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Quality Level

form

solid

technique(s)

XRF: suitable

pH

10- 25 g/l (20 °C, (68 °F))

solubility

50 g/L

bulk density

1300 kg/m3

anion traces

chloride (Cl-): ≤50 ppm, phosphate (PO43-): ≤20 ppm, silicate (as SiO2): ≤100 ppm, sulfate (SO42-): ≤50 ppm

cation traces

Ag: ≤5 ppm, Al: ≤10 ppm, Ba: ≤5 ppm, Ca: ≤20 ppm, Cd: ≤5 ppm, Co: ≤5 ppm, Cr: ≤5 ppm, Cu: ≤5 ppm, Fe: ≤10 ppm, Ga: ≤5 ppm, K: ≤10 ppm, Mg: ≤5 ppm, Mn: ≤5 ppm, Na: ≤20 ppm, Ni: ≤5 ppm, Pb: ≤5 ppm, Sr: ≤5 ppm, Zn: ≤5 ppm

storage temp.

2-30°C

Analysis Note

Chloride (Cl): ≤ 50 ppm
Phosphate (PO₄): ≤ 20 ppm
Silicate (SiO₂): ≤ 100 ppm
Sulfate (SO₄): ≤ 50 ppm
Ag (Silver): ≤ 5 ppm
Al (Aluminium): ≤ 10 ppm
Ba (Barium): ≤ 5 ppm
Ca (Calcium): ≤ 20 ppm
Cd (Cadmium): ≤ 5 ppm
Co (Cobalt): ≤ 5 ppm
Cr (Chromium): ≤ 5 ppm
Cu (Copper): ≤ 5 ppm
Fe (Iron): ≤ 10 ppm
Ga (Gallium): ≤ 5 ppm
K (Potassium): ≤ 10 ppm
Mg (Magnesium): ≤ 5 ppm
Mn (Manganese): ≤ 5 ppm
Na (Sodium): ≤ 20 ppm
Ni (Nickel): ≤ 5 ppm
Pb (Lead): ≤ 5 ppm
Sr (Strontium): ≤ 5 ppm
Zn (Zinc): ≤ 5 ppm
Loss on ignition (800 °C): ≤ 1.0 %
Bulk density: about 130

Legal Information

SPECTROMELT is a registered trademark of Merck KGaA, Darmstadt, Germany


signalword

Danger

Hazard Classifications

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

Storage Class

13 - Non Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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