Something about Lanthanum Tungsten Electrode by the Material of Lanthanum Tungsten Electrode Preparation – I

There is a preparation mentioned in "Preparation of Lanthanum Tungsten Electrode”, that is lanthanum tungsten coating powder method for preparation lanthanum tungsten electrode, one of the raw material for which is lanthanum acetate. The following, let us take a look at what is lanthanum acetate?

Lanthanum acetate (La (Ac) 3 • nH2O) nature and stability
Shape of white flake, solid;
Easy deliquescence in moist air;
Formula: C₆H₉LaO₆
Molecular Weight: 316.04
It is easily deliquescent in moist air; solubility in water (g / 100ml); dissolve grams per 100 ml of water - 16.9g / 20 ℃.
Soluble in water (at 18 ℃, 100mL water soluble 20.43g of anhydrous), benzene (heated to 760 ℃, decomposition of lanthanum oxide); La (CH3COO) 3 • DMF soluble in water; insoluble in ether; sparingly soluble or insoluble in DMF (heated to 210 ℃ lost DMF);
The catalyst can be used in the chemical industry for purification of automobile exhaust and additives, it can also be used to prepare lanthanum chloride, lanthanum compounds and other oil additives.
Storage
Seal in a closed container.



 

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