ERBIUM PLASMA EMISSION SPECTROSCOPY STANDARD
Erbium atomic absorption standard solution
CAS: 7440-52-0
Molecular Formula: Er
ERBIUM PLASMA EMISSION SPECTROSCOPY STANDARD - Names and Identifiers
ERBIUM PLASMA EMISSION SPECTROSCOPY STANDARD - Physico-chemical Properties
| Molecular Formula | Er |
| Molar Mass | 167.26 |
| Density | 9.062 g/mL at 25 °C (lit.) |
| Melting Point | 1529 °C (lit.) |
| Boling Point | 2868 °C (lit.) |
| Water Solubility | Soluble in acids. Insoluble in water. |
| Appearance | powder |
| Specific Gravity | 9.006 |
| Color | Silver-gray |
| Exposure Limit | ACGIH: TWA 2 ppm; STEL 4 ppmOSHA: TWA 2 ppm(5 mg/m3)NIOSH: IDLH 25 ppm; TWA 2 ppm(5 mg/m3); STEL 4 ppm(10 mg/m3) |
| Merck | 13,3675 |
| Storage Condition | Sealed storage |
| Sensitive | Moisture Sensitive |
| Refractive Index | 1.47 (1300 nm) |
| MDL | MFCD00010987 |
| Use | Mainly used as an additive for special metallurgy, and also used in scientific research and testing. |
ERBIUM PLASMA EMISSION SPECTROSCOPY STANDARD - Risk and Safety
| Hazard Symbols | F - Flammable |
| Risk Codes | 11 - Highly Flammable |
| Safety Description | S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) SNeverusewater. - |
| UN IDs | UN 3089 4.1/PG 2 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 1-10 |
| TSCA | Yes |
| Hazard Class | 8 |
| Packing Group | III |
ERBIUM PLASMA EMISSION SPECTROSCOPY STANDARD - Introduction
Silvery white. It is shiny and soft, and can decompose water.
Last Update：2022-10-16 17:28:21
ERBIUM PLASMA EMISSION SPECTROSCOPY STANDARD - Reference Information
| resistivity | 86 ++-cm, 20°C |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | erbium is a chemical element, its chemical symbol is Er, its atomic number is 68, belonging to the lanthanide, is one of the rare earth elements. Erbium is silver gray metal, soft, insoluble in water and alkali, soluble in acid. The salts and oxides were pink to red. Its first ionization energy is 6.10 electron volts. The chemical and physical properties of dysprosium and dysprosium are almost identical. The isotopes of erbium are: 162Er, 164Er, 166Er, 167Er, 168Er, 170Er. |
| History of discovery | 1843, discovered by C.G.Mosander. He originally named the oxide of erbium terbium oxide, therefore, in the early German literature, terbium oxide and erbium oxide are confused. It was not until 1860 that this was corrected. |
| preparation | erbium is present in igneous rocks and can be prepared by electrolytically melting erbium chloride ercl3. |
| Application | erbium has the following applications: 1. Photographic filters. Nuclear reaction control rod. 3. The oxide Er2O3 is a rose red color, which is used to make the glaze color of pottery. |
| safety information | erbium oxide [Er(NO3)] 3] In the case of "electric shock" or high temperature may be an explosion. As with other rare earths, care should be taken with respect to their compounds, as they may be toxic. |
Last Update：2024-04-09 21:54:55
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ERBIUM PLASMA EMISSION SPECTROSCOPY STANDARD
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