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Merck

83340

Sigma-Aldrich

Sand, white quartz

purum p.a., powder

Sinónimos:

Quartz, Silicon dioxide

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About This Item

Fórmula lineal:
SiO2
Número de CAS:
Peso molecular:
60.08
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.21

grade

purum p.a.

form

powder

loss

≤0.3% loss on ignition, 900 °C

particle size

>230 mesh

anion traces

chloride (Cl-): ≤50 mg/kg

cation traces

Ca: ≤200 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤200 mg/kg
K: ≤1000 mg/kg
Na: ≤150 mg/kg
Ni: ≤50 mg/kg
Pb: ≤100 mg/kg
Zn: ≤50 mg/kg

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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General description

The product is sand, white quartz (SiO2). Its reaction with alkaline NaNO3 solutions containing dissolved Al at 89°C has been investigated.

Application

Sand, white quartz (quartz) has been employed as a solid sample to evaluate the pore-volume variations during fluid-rock interaction experiments.

Analysis Note

metal and chloride traces refer to acid-soluble parts

Pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

STOT RE 1 Inhalation

target_organs

Lungs

Storage Class

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

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

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