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氧化鑭價(jià)格

氧化鑭 更多供應(yīng)商 1312-81-8 氧化鑭 價(jià)格

性狀
白色斜方晶系或無(wú)定形粉末。相對(duì)密度6.51。熔點(diǎn)2307℃。沸點(diǎn)4200℃。溶于酸、乙醇、氯化銨,不溶于水、酮。易吸收空氣中二氧化碳和水分而成氫氧化物和碳酸鹽。
所屬類別
無(wú)機(jī)化工產(chǎn)品: 無(wú)機(jī)鹽: Cq稀土元素化合物
用途與作用
主要用于制造精密光學(xué)玻璃、光導(dǎo)纖維。也用于電子工業(yè)作陶瓷電容器,壓電陶瓷摻入劑。還用作制硼化鑭的原料,石油分離精制催化劑。
合成工藝與制法
萃取法原料為除鈰后的硝酸稀土溶液,大約含LaO3 50%、CeO2微量、Pr6O116%~7%、Nd2O3 30%。配制成ΣRxOy320~330g/L的硝酸稀土溶液,采用中性膦萃取劑甲基膦酸二甲庚酯(P350),以P350-煤油體系經(jīng)35~38級(jí)萃取分離,使鑭與其他稀土分離,含鑭萃余液經(jīng)氨水中和、草酸沉淀,再經(jīng)過(guò)濾、灼燒,制得氧化鑭成品。其反應(yīng)式如下:
La2(C2O4)3→La2O3+3CO2+3CO
參考質(zhì)量標(biāo)準(zhǔn)
國(guó)家標(biāo)準(zhǔn)GB/T4154—1993
產(chǎn)品牌號(hào)化學(xué)成分/%
雜質(zhì)(稀土雜質(zhì)/REO)非稀土雜質(zhì),≤
REO≥La2O3/REO≥CeO2Pr6O11Nd2O3Sm2O3Y2O3Fe2O3SiO2CaOCuONiOPbO灼減1000℃,1h/%≤
La2O3-045G9999.9950.00050.00050.00050.00050.00100.0003--0.00020.00020.00021
La2O3-04G9999.990.00150.00150.00100.00100.00100.0005--0.00050.00050.00051
La2O3-0459999.9950.0050.00050.00500.00500.00050.00100.00501
La2O3-049999.990.010.00050.00500.00500.00050.00100.00501
La2O3-29899.90.10.0010.0100.010---2
La2O3-39799.50.50.0050.0500.050---3
La2O3-4959910.0100.500.10---5


氧化鑭價(jià)格(試劑級(jí))

更新日期產(chǎn)品編號(hào)品牌產(chǎn)品信息CAS號(hào)MDL號(hào)規(guī)格與純度包裝價(jià)格庫(kù)存信息操作
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2024/11/08 041644 氧化鑭(III), 99.9% (metals basis)
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2024/11/08 013870 鑭,等離子標(biāo)準(zhǔn)溶液, Specpure®, La 1000μg/ml
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2024/11/08 011272 氧化鑭(III), REacton®, 99.9% (REO)
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2024/11/08 011266 氧化鑭(III), 99.99% (REO), Ca 10ppm 最高, AAS Grade
Lanthanum(III) oxide, 99.99% (REO), Ca 10ppm max, AAS Grade, Thermo Scientific Chemicals
1312-81-8 50g 949元 待詢價(jià) 詳細(xì)
2024/11/08 011272 氧化鑭(III), REacton®, 99.9% (REO)
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1312-81-8 500g 1579元 待詢價(jià) 詳細(xì)
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2024/11/08 011265 氧化鑭(III), REacton®, 99.999% (REO)
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2024/11/08 011265 氧化鑭(III), REacton®, 99.999% (REO)
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2024/11/08 011264 氧化鑭(III), REacton®, 99.99% (REO)
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2024/11/08 011264 氧化鑭(III), REacton®, 99.99% (REO)
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1312-81-8 1kg 5190元 待詢價(jià) 詳細(xì)
2024/11/08 41302 氧化鑭(III)
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1312-81-8 100g 640元 待詢價(jià) 詳細(xì)
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2024/11/08 19916 氧化鑭(III), REacton®, 99.99% (REO)
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2024/11/08 19916 氧化鑭(III), REacton®, 99.99% (REO)
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2024/11/08 19329 氧化鑭(III), REacton®, 99.99% (REO)
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2024/04/30 11265 氧化鑭(III), REacton?, 99.999% (REO)
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1312-81-8 MFCD00011071 500g 1579元 3 詳細(xì)
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1312-81-8 MFCD00011071 250g 1673元 0 詳細(xì)
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2024/04/30 11265 氧化鑭(III), REacton?, 99.999% (REO)
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1312-81-8 MFCD00011071 1kg 6344元 9 詳細(xì)
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1312-81-8 REacton?, 99.99 100g 1754元 0 詳細(xì)
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1312-81-8 REacton?, 99.99 250g 1387元 0 詳細(xì)
2024/04/30 C41302 氧化鑭(III)
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1312-81-8 100g 640元 0 詳細(xì)
2024/04/30 C41302 氧化鑭(III)
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1312-81-8 250g 1366元 0 詳細(xì)
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25kg 0元 請(qǐng)?jiān)冐浧? 詳細(xì)
2024/04/30 52003876 氧化鑭
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25kg 0元 請(qǐng)?jiān)冐浧? 詳細(xì)
2024/04/30 52003874 氧化鑭
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500g 0元 請(qǐng)?jiān)冐浧? 詳細(xì)
2024/04/30 52003877 氧化鑭
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25kg/桶 0元 請(qǐng)?jiān)冐浧? 詳細(xì)
2024/01/16 11272 氧化鑭(III), REacton?, 99.9% (REO)
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2024/01/16 11266 氧化鑭(III), 99.99% (REO), Ca 10ppm 最高, AAS Grade
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1312-81-8 MFCD00011071 50g 949元 5 詳細(xì)
2024/01/16 11266 氧化鑭(III), 99.99% (REO), Ca 10ppm 最高, AAS Grade
Lanthanum(III) oxide, 99.99% (REO), Ca 10ppm max, AAS Grade
1312-81-8 MFCD00011071 1kg 7094元 0 詳細(xì)
2024/01/16 11264 氧化鑭(III), REacton?, 99.99% (REO)
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1312-81-8 MFCD00011071 50g 571元 2 詳細(xì)
環(huán)氧丙烷價(jià)格(試劑級(jí)) 鑭價(jià)格(試劑級(jí)) 氧化鋅價(jià)格(試劑級(jí)) 氧化鎂價(jià)格(試劑級(jí)) 三氧化二鐵價(jià)格(試劑級(jí)) 氫氧化鑭價(jià)格(試劑級(jí)) 氧化鑭價(jià)格(試劑級(jí))