名称 | 碳酸镧 | 用途级别 | 工业级 |
含量 | 99.95(%) |
碳酸镧 分子式:la(co3)3·xh2o |
项目 | 规格 | 分析仪器 | |||
牌号 | la(co3)3 ·xh2o |
la(co3)·xh2o3 |
la(co3)3 ·xh2o |
la(co3)3 ·xh2o |
|
treo(wt%) | ≥ 45.0 | ≥ 45.0 | ≥ 45.0 | ≥ 45.0 | |
稀土相对纯度 (wt%) | |||||
la2o3/treo | ≥ 99.0 | ≥ 99.5 | ≥ 99.9 | ≥ 99.99 |
icp光谱仪 |
ceo2/treo | ≤ 0.30 | ≤ 0.05 | ≤0.03 | ≤0.005 | |
pr6o11/treo | ≤0.025 | ≤0.010 | ≤0.005 | ≤0.002 | |
nd2o3/treo | ≤0.025 | ≤0.010 | ≤0.005 | ≤0.001 | |
sm6o3/treo | ≤0.02 | ≤0.004 | ≤0.004 | ≤0.001 | |
y2o3/treo | ≤0.01 | ≤0.001 | ≤0.001 | ≤0.001 | |
非稀土杂质含量(wt%) | |||||
fe2o3 | ≤0.01 | ≤0.01 | ≤0.008 | ≤0.0005 |
原子吸收分光光度计 |
cao | ≤0.08 | ≤0.10 | ≤0.08 | ≤0.0002 | |
ci- |
≤0.05 | ≤0.05 | ≤0.05 | ≤0.0005 | |
sio2 | ≤0.03 | ≤0.05 | ≤0.02 | ≤0.0002 | |
灼减l.o.i. | ≤3.0 | ≤2.5 | ≤2.5 | ≤2 |
说明:碳酸镧不溶于水,溶于酸。 |