柱前衍生／流动注射微柱预富集和ICP－AES法测定高纯氧化钅兰中痕量非稀土元素

利用自合成的碳硅凝胶为吸附材料，以铜试剂（ＮａＤＤＴＣ）为柱前衍生试剂，实现了Ａｌ（Ⅲ）、Ｃｒ（Ⅵ）、Ｃｕ（Ⅱ）、Ｆｅ（Ⅲ）、Ｖ（Ⅴ）流动注射（ＦＩ）微柱预富集．以稀ＨＮＯ３停流洗脱富集物，ＩＣＰ－ＡＥＳ法测定洗脱液中上述元素．在优化条件下，富集倍数近１０倍，检出限为ｎｇ／ｍＬ级，ＲＳＤ＜５．０％（ｎ＝７），方法用于高纯Ｌａ２Ｏ３中非稀土杂质测定，结果满意     

SYNTHESIS AND CHARACTERIZATION OF (PPh_3)_3Co(μ-CO)_2 V(CO)_2Cp AND (PPh_3)

ＳＹＮＴＨＥＳＩＳＡＮＤＣＨＡＲＡＣＴＥＲＩＺＡＴＩＯＮＯＦ（ＰＰｈ_３）_３Ｃｏ（μ－ＣＯ）_２Ｖ（ＣＯ）_２ＣｐＡＮＤ（ＰＰｈ_３）ＨＰｔ（μ－ＣＯ）（μ－ＰＰｈ_２）Ｖ（ＣＯ）_２ＣｐＣｈａｎｇＰｉｎｇＳＨＡＯ（ＤａｌｉａｎＩｎｓｔｉｔｕｔｅｏｆＣｈ?..     

SYNTHESIS AND CHARACTERIZATION OF NEIV PICKET FENCE CROWN－PORPHYRIN AND ITS Zn（Ⅱ），Fe（Ⅲ） COMIPLEXES

ＳＹＮＴＨＥＳＩＳＡＮＤＣＨＡＲＡＣＴＥＲＩＺＡＴＩＯＮＯＦＮＥＩＶＰＩＣＫＥＴＦＥＮＣＥＣＲＯＷＮ－ＰＯＲＰＨＹＲＩＮＡＮＤＩＴＳＺｎ（Ⅱ），Ｆｅ（Ⅲ）ＣＯＭＩＰＬＥＸＥＳ￥ＹａｎｇｄｅＷＵ，ＦａＣｈｅｎｇＱＩＡＮ，ＬｉａｎＦａｎｇＳＨＥＮａ（Ｄｅ...     

A QUANTUM CHEMICAL INVESTIGATION OF ACTIVITY ORDER OF COORDINATION CATALYSIS OF TRANSITION METALS（Ⅲ） ……ACTIVATION OF MOLECULAR OXYGEN

ＡＱＵＡＮＴＵＭＣＨＥＭＩＣＡＬＩＮＶＥＳＴＩＧＡＴＩＯＮＯＦＡＣＴＩＶＩＴＹＯＲＤＥＲＯＦＣＯＯＲＤＩＮＡＴＩＯＮＣＡＴＡＬＹＳＩＳＯＦＴＲＡＮＳＩＴＩＯＮＭＥＴＡＬＳ（Ⅲ）……ＡＣＴＩＶＡＴＩＯＮＯＦＭＯＬＥＣＵＬＡＲＯＸＹＧＥＮ￥ＹｕａｎＱｉｎ...     

MICROWAVE EFFECTS ON THE OXIDATIVE COUPLING OF MIETHANE OVER Li_2SO_4／BaCe_（0．93）La_（0．07）O_3

ＭＩＣＲＯＷＡＶＥＥＦＦＥＣＴＳＯＮＴＨＥＯＸＩＤＡＴＩＶＥＣＯＵＰＬＩＮＧＯＦＭＩＥＴＨＡＮＥＯＶＥＲＬｉ＿２ＳＯ＿４／ＢａＣｅ＿（０．９３）Ｌａ＿（０．０７）Ｏ＿３￥ＣｈａｎｇＬｉｎＣＨＥＮ；ＰｉｎＪｉｅＨＯＮＧ；ＳｈｕＳｈａｎＤＡＩ；Ｇｕａｎｇ...     

A FACILE SYNTHESIS OF CHIRAL 3－ALKYL－3， 4－DIHYDRO－2H－1， 4－BENZOXAZINE DERIVATIVES

ＡＦＡＣＩＬＥＳＹＮＴＨＥＳＩＳＯＦＣＨＩＲＡＬ３－ＡＬＫＹＬ－３，４－ＤＩＨＹＤＲＯ－２Ｈ－１，４－ＢＥＮＺＯＸＡＺＩＮＥＤＥＲＩＶＡＴＩＶＥＳ￥ＬｕｎＪｉａＸＩＥ（ＮａｔｉｏｎａｌｉｎｓｔｉｔｕｔｅｏｆＰｈａｒｍａｃｅｕｔｉｃａｌＲｅｓｅａｒｃｈ...     

STUDY ON THE SORPTION BEHAVIOR OF N－METHYL－2－THIO－IMIDAZOLE RESIN FOR Rh（Ⅲ）AND SEPARATION OF Rh（Ⅲ）WITH COMMON METAL IONS BY USING MTIR

ＳＴＵＤＹＯＮＴＨＥＳＯＲＰＴＩＯＮＢＥＨＡＶＩＯＲＯＦＮ－ＭＥＴＨＹＬ－２－ＴＨＩＯ－ＩＭＩＤＡＺＯＬＥＲＥＳＩＮＦＯＲＲｈ（Ⅲ）ＡＮＤＳＥＰＡＲＡＴＩＯＮＯＦＲｈ（Ⅲ）ＷＩＴＨＣＯＭＭＯＮＭＥＴＡＬＩＯＮＳＢＹＵＳＩＮＧＭＴＩＲＣｈｅｎＹｉｙｏｎ...     

SYNTHESIS AND ANTI－HUMAN IMMUNODEFICIENCY VIRUS－1（HIV－1） ACTIVITY OF 9－（2－PHOSPHONYLMETHOXYETHYL）ADENINE （1）AND ITS REGIOISOMER 3－（2－PHOSPHONYLMETHOXYETHYL）ADENINE（2）

ＳＹＮＴＨＥＳＩＳＡＮＤＡＮＴＩ－ＨＵＭＡＮＩＭＭＵＮＯＤＥＦＩＣＩＥＮＣＹＶＩＲＵＳ－１（ＨＩＶ－１）ＡＣＴＩＶＩＴＹＯＦ９－（２－ＰＨＯＳＰＨＯＮＹＬＭＥＴＨＯＸＹＥＴＨＹＬ）ＡＤＥＮＩＮＥ（１）ＡＮＤＩＴＳＲＥＧＩＯＩＳＯＭＥＲ３－（２－ＰＨＯ...     

SYNTHESIS OF 3-ARYL-1(2H, 4H) ACRIDONES AND THEIR DERIVATIVES

ＳＹＮＴＨＥＳＩＳＯＦ３－ＡＲＹＬ－１（２Ｈ，４Ｈ）ＡＣＲＩＤＯＮＥＳＡＮＤＴＨＥＩＲＤＥＲＩＶＡＴＩＶＥＳ￥ＲｏｎｇＹＩＮ；ＧｕａｎｇＦａｎＨＡＮ；ＹｕＴｉａｎＬＩ（ＤｅｐａｒｔｍｅｎｔｏｆＭｅｄｉｃａｌＬａｂｏｒａｔｏｒｙ，ＪｉｌｉｎＭｅｄｉｅａ...     

SYNTHESIS AND CHARACTERIZATION OF METAL COMPLEXES DERIVED FROM POTASSIUM 3－（BENZOTRIAZOLE1－CARBONYLMETHYL）－DITHIOCARBAZATE

ＳＹＮＴＨＥＳＩＳＡＮＤＣＨＡＲＡＣＴＥＲＩＺＡＴＩＯＮＯＦＭＥＴＡＬＣＯＭＰＬＥＸＥＳＤＥＲＩＶＥＤＦＲＯＭＰＯＴＡＳＳＩＵＭ３－（ＢＥＮＺＯＴＲＩＡＺＯＬＥ１－ＣＡＲＢＯＮＹＬＭＥＴＨＹＬ）－ＤＩＴＨＩＯＣＡＲＢＡＺＡＴＥ￥ＰｅｎｇＦｅｉＸＵ（Ｄ...     

MCSCF AND VTST STUDIES OF THE REACTION CH(2~π)+H_2→CH_3

ＭＣＳＣＦＡＮＤＶＴＳＴＳＴＵＤＩＥＳＯＦＴＨＥＲＥＡＣＴＩＯＮＣＨ（２~π）＋Ｈ_２→ＣＨ_３￥ＳｉＹｕＭＡａｎｄＲｕｏＺｈｕａｎｇＬｉｎ（ＤｅｐａｒｔｍｅｎｔｏｆＣｈｅｍｉｓｅｄ．ＢｅｉｊｉｎｇｆｏｒｍａｌＵｎｉｖｅｒｓｉｔｙ，Ｂｅｉｊｉｎｇ１００?..     

STUDY ON VAPOR－PHASE CATALYTIC COUPLING REACTION OF CO TO（CH3OOC）2

ＳＴＵＤＹＯＮＶＡＰＯＲ┐ＰＨＡＳＥＣＡＴＡＬＹＴＩＣＣＯＵＰＬＩＮＧＲＥＡＣＴＩＯＮＯＦＣＯＴＯ（ＣＨ３ＯＯＣ）２＊ＬｉＺｈｅｎｈｕａ，ＨｅＦｅｉ，ＸｕＧｅｎｈｕｉ＊＊，ＬｉＦｅｎｇｌｉｎｇ（ＳｔａｔｅＫｅｙＬａｂｏｒａｔｏｒｙｏｆＣ１Ｃｈｅｍｉｃ...     

SYNTHESIS, CHARACTERIZATION OF 2-[2-(3-NITRO-4-METHOXYLPHENYL) VINYLI-1-ME

ＳＹＮＴＨＥＳＩＳ，ＣＨＡＲＡＣＴＥＲＩＺＡＴＩＯＮＯＦ２－［２－（３－ＮＩＴＲＯ－４－ＭＥＴＨＯＸＹＬＰＨＥＮＹＬ）ＶＩＮＹＬＩ－１－ＭＥＴＨＹＬＰＹＲＩＤＩＮＩＵＭＰＥＮＴＡＡＮＤＨＥＸＡＮＩＴＲＡＴＯＲＡＲＥＥＡＲＴＨ（Ⅲ）ＣＯＭＰＬＥＸＥＳＨ...     

SYNTHESIS OF A NEW JON PAIR COMPLEX CONTAINING MOLYBDENUM(V)AND SAMARIUM(Ⅲ)

ＳＹＮＴＨＥＳＩＳＯＦＡＮＥＷＪＯＮＰＡＩＲＣＯＭＰＬＥＸＣＯＮＴＡＩＮＩＮＧＭＯＬＹＢＤＥＮＵＭ（Ｖ）ＡＮＤＳＡＭＡＲＩＵＭ（Ⅲ）￥ＣｈｕｎＴｉｎｇＳＵＮ；ＹａＢｉｎＺＨＵ；ＱｉｎｇＨｏｎｇＦＵ；ＸｕｎＬＩＵ；ＳｈｕＺｈｅｎＹＩ（ＫｅｙＬａｂｏｒａ...     

THE SYNTHESIS OF 3'''',E''''-ALKYLENEDIOXY-ISOFLAVONE ANALOGS

ＴＨＥＳＹＮＴＨＥＳＩＳＯＦ３＇，Ｅ＇－ＡＬＫＹＬＥＮＥＤＩＯＸＹ－ＩＳＯＦＬＡＶＯＮＥＡＮＡＬＯＧＳ￥ＬｉｎｇＨｕａＣＡＯ（ＣｈｅｍｉｓｔｒｙＤｅｐａｒｔｍｅｎｔｏｆＸｉｎｊｉａｎｇＵｎｉｖｅｒｓｉｔｙ，Ｕｒｕｍｐｅ，８３００４６）Ａｂｓｔｒａｃｔ...     

SYNTHESIS,STRUCTURE AND LUMINESCENCE PROPERTIES OF K_2VOF_5 AND K_3VO_2F_4

ＳＹＮＴＨＥＳＩＳ，　ＳＴＲＵＣＴＵＲＥ　ＡＮＤ　ＬＵＭＩＮＥＳＣＥＮＣＥ　ＰＲＯＰＥＲＴＩＥＳ　ＯＦ　Ｋ＿２ＶＯＦ＿５　ＡＮＤ　Ｋ＿３ＶＯ＿２Ｆ＿４ＳＹＮＴＨＥＳＩＳ，ＳＴＲＵＣＴＵＲＥＡＮＤＬＵＭＩＮＥＳＣＥＮＣＥＰＲＯＰＥＲＴＩＥＳＯＦＫ＿２Ｖ...     

STUDY ON REACTION OF （μ_3－CCO_2Et）CO_2M（CO）_8（CpMe）（M＝Mo，W） WITH Na_2［Fe（CO）_4］．SYNTHESIS OF TWO KINDS OF THE NOVEL CLUSTERS EtO_2CCFeCoM（CO）_8（CpMe）H AND （OCC）FeCoM（CO）_8（CpMe）

ＳＴＵＤＹＯＮＲＥＡＣＴＩＯＮＯＦ（μ_３－ＣＣＯ_２Ｅｔ）ＣＯ_２Ｍ（ＣＯ）_８（ＣｐＭｅ）（Ｍ＝Ｍｏ，Ｗ）ＷＩＴＨＮａ_２［Ｆｅ（ＣＯ）_４］．ＳＹＮＴＨＥＳＩＳＯＦＴＷＯＫＩＮＤＳＯＦＴＨＥＮＯＶＥＬＣＬＵＳＴＥＲＳＥｔＯ_２ＣＣＦｅＣｏＭ（ＣＯ）_８...     

THE EXCITED STATES AND VIBRATIONAL FREQUENCIES OF Bli_2~e（e＝0，＋1，－1）CLUSTERS

ＴＨＥＥＸＣＩＴＥＤＳＴＡＴＥＳＡＮＤＶＩＢＲＡＴＩＯＮＡＬＦＲＥＱＵＥＮＣＩＥＳＯＦＢｌｉ：（ｅ＝０，＋１，－１）ＣＬＵＳＴＥＲＳＴＨＥＥＸＣＩＴＥＤＳＴＡＴＥＳＡＮＤＶＩＢＲＡＴＩＯＮＡＬＦＲＥＱＵＥＮＣＩＥＳＯＦＢｌｉ：（ｅ＝０，＋１，－１）Ｃ...     

EFFECTIVE INFLUENCE OF THE SUPPORT SURFACE VACANT SITES ON THE DISPERSION STATE OF Fe_2O_3 SUPPORTED ON VARIOUS METAL OXIDES

ＥＦＦＥＣＴＩＶＥＩＮＦＬＵＥＮＣＥＯＦＴＨＥＳＵＰＰＯＲＴＳＵＲＦＡＣＥＶＡＣＡＮＴＳＩＴＥＳＯＮＴＨＥＤＩＳＰＥＲＳＩＯＮＳＴＡＴＥＯＦＦｅ２Ｏ３ＳＵＰＰＯＲＴＥＤＯＮＶＡＲＩＯＵＳＭＥＴＡＬＯＸＩＤＥＳＣｈｅｎＫａｉｄｏｎｇ，ＤｏｎｇＬｉｎ，Ｙ...     

PARAMAGNETIC AND DIAMAGNETIC DICOPPER（Ⅱ） COMPLEXES WITH DI－SCHIFF BASE DERIVED FROM 2－HYDROXY－1－NAPHTHALDEHYDE AND1，3－DIANINO－2－PROPANOL

ＰＡＲＡＭＡＧＮＥＴＩＣＡＮＤＤＩＡＭＡＧＮＥＴＩＣＤＩＣＯＰＰＥＲ（Ⅱ）ＣＯＭＰＬＥＸＥＳＷＩＴＨＤＩ－ＳＣＨＩＦＦＢＡＳＥＤＥＲＩＶＥＤＦＲＯＭ２－ＨＹＤＲＯＸＹ－１－ＮＡＰＨＴＨＡＬＤＥＨＹＤＥＡＮＤ１，３－ＤＩＡＮＩＮＯ－２－ＰＲＯＰＡＮＯＬ...