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20
Updated determination of mercury and its chelate's characteristic
parameters with OCDA by Beta-correction Spectrophotometry
-------H.
W. GAO, Zh. Prik. Spektros , 1996,63(6):951-955
21
Synthesis of amido black diazoaminoazobenzene and its application
to spectrophotometric determination of micrograms of Cd
-------Zhang
P.F., H. W. GAO and Li Y, Talanta, 1998, 46:355-359 (SCI CDE)
22
Beta-correction spectrophotometric determination of mercury and
its complex ratio with malachite green
------
H. W. GAO, Ind. J. Chem. ,(Section A), 1996,35A(1):41-43 (SCI CDE)
23
Updated spectrophotometric determination of cadmium in waste water
with o-methylbenzenediazoaminobenzene-p-azobenzene
-------
H. W. GAO and Zou F., Arm. Chem.J. , 1997, 50(3-4):42-49
24
Updated spectrophotometric determination of trace amounts of cadmium
in metal with o-bromobenzenediazoaminobenzene- p-azobenzene
-----P.F.Zhang,
H. W. GAO, Can. J. Appl. Spectrosc. ,1996,41(1):1-5 (SCI CDE)
25
Analysis of Al-chelate solution by Beta-correction spectrophotometry
-----
H. W. GAO, Anal. Lab. ,1997,6(1):55-58
26
Dual-wavelength Beta-correction spectrophotometric determination
of mercury in waste water
----H.
W. GAO, Rev Soc Quim Mex. ,1997,41(6):243-247
27
Beta-correction Spectrophotometry for Determinationof Trace Mercury
and Its Complex Ratio to p-Dimethylaminobenzal Rhodanine
----H.
W. GAO, Selected Papers of Engineering Chem. and Metallurgy -1995
,p148-154
28
Beta-correction principle and application to cadmium-MEB chelate
characteristic parameters' determination
----H.
W. GAO, J. Molar. Sci. ,1996,12(2):122-127
29
Analysis to cobalt chelate solution with m-chloroazoantipyline and
determination of trace amounts of cobalt by beta-correction spectrophotometry
----
H. W. GAO, Can. J. Appl. Spectrosc. , 1996, 41(5): 113-118 (SCI
CDE)
30
Beta-correction spectrophotometry and its application to determination
of trace amounts and composition of their chelate using the example
of a calcium complex with chlorophosphonazo III
-----H.
W. GAO., J. Anal. Chem. (Russia), 1997,52(2):141-143 (SCI CDE)
31
Beta-correction spectrophotometric determination of cadmium and
characteristic parameters of its chelates formed with 2-(2-chlorophenyl-azoamino)-4-(phenylazo)benzene
-----
H. W. GAO and Zhang P F, Ind. Lab. (Russia), 1996,62(6):335-338
(SCI-EE)
32
Beat-correction spectrophotometric determination of silver and Its
chelate's characteristic parameters with dithizone
----H.
W. GAO, Water Treatment , 1995,10(4):367-372
33
Analysis of cobalt chelate solution with chrome azophenol KS anddetermination
of trace amounts of cobalt in metal samples
----
H. W. GAO, Ind. J. Chem , section A, 1998,37:367-370 (SCI CDE)
34
Dual-wavelength beta-correction spectrophotometric analysis of silver
chelate solution with methylene blue
----
H. W. GAO, Quim. Anal. (Spain),1998,17:39-43 (SCI-EE)
35
Modified spectrophotometric determination of mercury and its characteristic
parameter
----
Zou F and H. W. GAO, Selected papers of engineering Chem. and metallurgy-
1996, 1997,p187-193
36
Study on photoabsorption of Al chelate solution with chrome azurol
S
──
H. W. GAO, ЖАХ , 1997,52(11):1152-1156 (SCI CDE)
37
Updated beta-correction spectrophotometric investigation of zinc
chelate solution with acid chrome blue K and detremination of zinc
──
H. W. GAO, Asian J. Chem. , 1998,10(1):79-85 (SCI-EE)
38
Further analysis of copper chelate solution with murexide
──
H. W. GAO et al , Asian J. Chem. , 1998, 10(1):23-28 (SCI-EE)
39
Beta-correction spectrophotometric investigation of copper chelate
solution with ACBK and determination of trace copper
──
H. W. GAO , Chen Y S, Asian J. Chem. , 1999,11(2):300-306 (SCI-EE)
40
Development of beta-correction spectrophotometric principle
──
H. W. GAO , Asian J. Chem. , 1999, 11(2) ： 319-326 (SCI-EE)
41
Determination of germanium with phenylfluorone by beta-correction
spectrophotometry
--------Zhang
P F, H. W. GAO , Asian J. Chem., 1998,10(4):767-770 (SCI-EE)
42
Synthesis of p-nitrobenzenediazoamido black 10B and its application
to spectrophtometric determination of micro amounts of cadmium
---------Zhang
P F , H. W. GAO , Asian J. Chem., 1999,11(2):484-489 (SCI-EE)
43
Analysis of calcium complex solution with new ligand CPDBP by beta-correction
spectrophotometry
---------H.
W. GAO, Zhang P F, Zav. Lab., 1998, 65(2):2-4 . (SCI-EE)
44
Beta-correction spectrophotometric investigation of silver complex
with ligand, DCBDAB and determination of trace amounts of silver
in wastewater
---------H.
W. GAO, et al, Can. J. Anal. Sci. Spectrosc., 1999, 44(4):117-122
(SCI CDE)
45
Analysis of Ni chelate solution with m-chloroazoantipyrine and determination
of trace amounts of Ni in wastewater
───
H. W. GAO and Zhang P F, Asian J. Chem. , 1999,11(3):715-720 (SCI-EE)
46
Further analysis of calcium complex solution with methyl thymol
blue
─── H. W. GAO, Asian J. Chem. , 1999,11(3):721-727 (SCI-EE)
47
Reanalysis of silver chelate solution and determination of trace
amounts of silver in wastewater
─── H. W. GAO, Asian J. Chem. , 1999, 11(3):740-745 (SCI-EE)
48
Spectrophotometric determination
of suspending solid in natural water
─── H. W. GAO, M. H. Mou and J. F. Zhao, Asian J. Chem., 1999, 11(3):1556-1558
(SCI-EE)
49
Analysis of cadmium chelate solution with four ligands
─── H. W. GAO , Asian J. Chem. , 1999, 11(3):734-739 (SCI-EE)
50
Spectrophotometric investigation of cadmium complex solution with
m-bromobenzenediazoaminoazobenzene
---------H.
W. GAO, et al, Chin. Chem. Lett., 1999, 10(11):957-960 (SCI-EE)
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