CAS 7440-05-3 Pd nanopowder Ultrafine Palladium as catalyst
Size:20-30nm Purity:99.95% CAS No:7440-05-3 ENINEC No.:231-115-6 Appearance:black Powder Shape:spherical
Size:20-30nm Purity:99.95% CAS No:7440-05-3 ENINEC No.:231-115-6 Appearance:black Powder Shape:spherical
We can supply different size products of niobium silicide powder according to client's requirements. Size:1-3um; Purity:99.5%;Shape:granular CAS No:12034-80-9;ENINEC No.:234-812-3
Ni2Si particle,99.5% purity,granular shape,is used for Microelectronic integrated circuit, nickel silicide film,etc. Size:1-10um; CAS No:12059-14-2;ENINEC No.:235-033-1
Buy tungsten silicide powder WSi2 used to anti-oxidation coating, Size:1-10um; Purity:99.5%;Blue gray tetragonal crystal
CAS No:12039-88-2;ENINEC No.:234-909-0, please click it to check the specification.
Brand:
SAT NANOItem NO.:
HP7414B-10UPayment:
TT, Paypal, WUProduct Origin:
ChinaColor:
grey black powderShipping Port:
Shenzhen, ShanghaiLead Time：
1-5daysMin Order:
100gApplication of WSi2 particle:
Tungsten silicide is insoluble in water and aqua regia, but soluble in a mixture of nitric acid and hydrofluoric acid. Used to make anti-oxidation coating and resistance wire coating agent.
Specification of WSi2 particle:
| Part No. | Particle |
Purity (%) |
SSA (m2/g) |
Bulk density (g/cm3) |
Density (g/cm3) |
Crystal | Color |
| HP7414B-10U | 1-10um | 99.5 |
|
9.4 | granular | grey blue |
Preparation method of tungsten silicide:
(1) Massage the tungsten powder and silicon powder into the ingredients at a molar ratio of 1:2, and the titanium powder and graphite powder into the ingredients at a molar ratio of 1:1, and then mix them evenly.
(2) Pack the W-Si mixed powder in the center of the crucible, and evenly install the Ti-C mixed powder between the W-Si mixed powder and the crucible, and finally put a layer of Ti-C mixed powder on top of all the mixed powders, inside the crucible The weight ratio of Ti-C mixed powder and W-Si mixed powder is (0.8~1.2):1
(3) Put the crucible containing the mixed powder into a closed reactor, evacuate and fill with argon gas, and then use a tungsten wire to energize to initiate the reaction between the mixed materials.
(4) After cooling, take out the reacted materials, separate the titanium carbide and tungsten disilicide, and obtain titanium carbide and tungsten disilicide powder after being crushed separately.
Tungsten silicide powder is often used in microelectronics,We can supply different size products of tungsten silicide powder according to client's requirements. Size:1-10um; Purity:99.5%;Shape:granular CAS No:12039-88-2;ENINEC No.:234-909-0
We can supply different size products of tungsten silicide powder according to client's requirements. Size:1-10um; Purity:99.5%;Blue gray tetragonal crystal CAS No:12039-88-2;ENINEC No.:234-909-0
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Size:1um, 5um; Purity:99.9% CAS No:12069-85-1;ENINEC No.:235-114-1 Appearance:black Powder ; Shape:cubic
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