텅스텐산 칼슘
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텅스텐산 칼슘 속성
- 녹는점
- 1620°C
- 밀도
- 6.06 g/mL at 25 °C (lit.)
- 저장 조건
- -20°C
- 용해도
- H{2}O에 용해되지 않습니다. 뜨거운 HCl, HNO{3}에 의해 분해됨
- 물리적 상태
- 가루
- Specific Gravity
- 6.062
- 색상
- 하얀색
- 수용성
- 불용성 H2O; 뜨거운 HCl, HNO3 [MER06]에 의해 분해됨
- Merck
- 14,1712
- Solubility Product Constant (Ksp)
- pKsp: 8.06
- 노출 한도
- ACGIH: TWA 3 mg/m3
NIOSH: TWA 5 mg/m3; STEL 10 mg/m3
- CAS 데이터베이스
- 7790-75-2(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
| WGK 독일 | 3 | ||
|---|---|---|---|
| TSCA | Yes | ||
| HS 번호 | 28418030 | ||
| 기존화학 물질 | KE-04631 |
텅스텐산 칼슘 C화학적 특성, 용도, 생산
화학적 성질
-325 mesh, 10μm or less 99.9% pure; occurs in nature as mineral scheelite; white tetr powder(s), a=0.524 nm, c=1.138 nm; can be prepared by heating tungstic acid and CaO or CaCO3; used in tumor treatment and in luminous paint [KIR83] [STR93] [MER06]
Large orange octahedral scheelite, Ca(WO4), crystal to 4.5 cm on muscovite, KAl2(AlSi3O10)(OH)2. Pingwu Co., Mianyang pref., Sichuan prov., China.
용도
Calcium tungstate can be ued for preparing screens for x-ray observations and photographs; in luminous paints; in scintillation counters.일반 설명
Calcium tungstate (CaWO4) is an optical material, which can be used as a laser host material for a variety of electronic applications. It has a scheelite structure with luminescence, and thermo-luminescence properties.Structure and conformation
The space lattice of CaWO4 belongs to the tetragonal system, and its Scheelite structure has lattice constants of a=0.524 nm and c=1.138 nm. The space group is I41/a, and there are four formula units per unit cell.텅스텐산 칼슘 준비 용품 및 원자재
원자재
삼산화텅스텐
산화칼슘(생석회)
Alkali Metals, plasma standard solution, Specpure, Ba,Be,Ca,Cs,K,Li,Mg,Na,Rb,Sr, 100μg/ml
텅스텐산나트륨
수산화칼슘
준비 용품
텅스텐산 칼슘 공급 업체
글로벌( 142)공급 업체
| 공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
|---|---|---|---|---|---|
| Hebei Mojin Biotechnology Co., Ltd | +86 13288715578 +8613288715578 |
sales@hbmojin.com | China | 12459 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 |
info@fdachem.com | China | 20314 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 |
info@tianfuchem.com | China | 21670 | 55 |
| Hubei xin bonus chemical co. LTD | 86-13657291602 |
linda@hubeijusheng.com | CHINA | 22968 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 |
sales@chemdad.com | China | 39916 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 |
factory@coreychem.com | China | 29826 | 58 |
| Zhengzhou Alfa Chemical Co.,Ltd | +8618530059196 |
sale04@alfachem.cn | China | 13068 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | 0551-65418671 |
sales@tnjchem.com | China | 34571 | 58 |
| ANHUI WITOP BIOTECH CO., LTD | +8615255079626 |
eric@witopchemical.com | China | 23556 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-029-89586680 +86-18192503167 |
1026@dideu.com | China | 9030 | 58 |