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钨酸钙

钨酸钙用途

用于荧光涂料、摄影用光屏管、医药、X射线照片及日光灯等

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钨酸钙名称

[ CAS 号 ]:
7790-75-2

[ 中文名 ]:
钨酸钙

[ 英文名 ]:
Calcium tungstate

[英文别名 ]:

Calcium tungstate
MFCD00149602
Calcium tungstate(VI)
EINECS 232-219-4
Calcium dioxido(dioxo)tungsten
Tungsten, diolatodioxo-, calcium salt (1:1)

钨酸钙物理化学性质

[ 密度 ]:
6.06 g/mL at 25 °C(lit.)

[ 熔点 ]:
1620°C

[ 分子式 ]:
CaO₄W

[ 分子量 ]:
287.916

[ 精确质量 ]:
287.893158

[ PSA ]:
80.26000

[ 外观性状 ]:
粉末

[ 储存条件 ]:
-20°C

[ 水溶解性 ]:
每100毫升水中的溶解克数: 2.387×10-3/20℃

钨酸钙MSDS

详细MSDS(安全技术说明书)

钨酸钙安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

钨酸钙制备

1.氧化钙或氢氧化钙与氧化钨或氢氧化钨在碱金属氢氧化物或碳酸盐溶液中发生反应制得钨酸钙。
钨酸钠与硫化钠混合，并用水溶解，再加氯化锌水溶液，过滤，滤液用纯氯化钙处理，制得钨酸钙。

2.由钨酸钠溶液与氯化钙溶液作用或由天然白钨矿加工制得。

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钨酸钙文献

Venus trap in the mouse embryo reveals distinct molecular dynamics underlying specification of first embryonic lineages.

EMBO Rep. 16 , 1005-21, (2015)

Mammalian development begins with the segregation of embryonic and extra-embryonic lineages in the blastocyst. Recent studies revealed cell-to-cell gene expression heterogeneity and dynamic cell rearr...

Nanostructured hydroxyapatite as filler for methacrylate-based root canal sealers.

Int. Endod. J. 45(1) , 63-7, (2012)

To evaluate the effect of different concentrations of nanostructured hydroxyapatite on the radiopacity, flow and film thickness of an experimental root canal sealer. An experimental dual-cured root...

Effect of different radiopacifying agents on the physicochemical properties of white Portland cement and white mineral trioxide aggregate.

J. Endod. 38(3) , 394-7, (2012)

The aim of this study was to evaluate the pH, calcium ion release, setting time, and solubility of white mineral trioxide aggregate (WMTA) and white Portland cement (WPC) combined with the following r...

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钨酸钙