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61. The total contents of vitamin C in 10 green fodders were measuredusing spectrophotometry of 2.4 - dinitrophenylhydrazine ( DNP ).

62. OBJECTIVE:To establish a new method for the assay of pirenzepine by differentia spectrophotometry.

63. The determination process of Si in the tellurium dioxide by Silicon Molybdenum Blue Spectrophotometry is investigated.

64. Multiwavelength - derivative method and linear regression spectrophotometry combined with least square method are applied to the simultaneous determination of NO_3 and NO_2 in water.

65. Methods: Determination of content was studied by frist order derivative spectrophotometry, and its effects in clinical was verified baicalin by double blind method.

66. The content of trace elements in horseshoe crab plasma was determined by atomic absorption spectrophotometry.

67. A new method which was used to measure the content of aromatics in the form of liquid paraffine by the ultraviolet spectrophotometry method was introduced.

68. A reflexion scattering spectrophotometry for the adsorption and the extraction of the complex of nickel with dimethylglyoxime using microcrystalline wax have been studied.

69. Spectrophotometry was applied to study coloration in new type liquor and in liquor by fermentation method.

70. Objective : To determine N - acetyl - L - cysteine in compound amino acid injection by spectrophotometry.

71. By using ultrasonic extraction and spectrophotometry methods, changes of flavonoids content in Catharanthus roseus during different developmental periods were studied.

72. With o-phenylenediamine as the chromogenic reagent, Se content in cherry tomato was determined with ultraviolet spectrophotometry method.

73. The methods are as follows:spectrophotometry, turbidimetry, atomic absorption spectrometry, polarography, conductance, ion selective electrode, ion chromatography, and flow injection analysis etc.

74. Conclusion: The UV spectrophotometry is accurate for the determination of sodium nitrite in benzalkonium bromide solution for disinfection.

75. Rhodium in rhodium plating bath was determined by spectrophotometry with sodium hypochlorite as chromogenic agent.

76. The General situation on spectrophotometric analysis of thorium recently is summarized. Conventional spectrophotometry and fluorophotometry are involved. References of 59 are quoted.

77. Methods The contents of glutamate and acidic peptide in the brains of rats were measured by paper electrophoresis, ninhydrin colouring, spectrophotometry and standard curve method.

78. Objective: A UV spectrophotometry for the determination of sulfadiazine sodium injection was established.

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79. The determination of vitamin B_(12) in Moiclear Eye Drops by ultraviolet spectrophotometry can reduce checking procedure and be convenient and quick.

80. This paper presents a method to determine acetone cyanohydrin in the air of workshop with spectrophotometry.

81. OBJECTIVE : To establish a method for determining the content of Ornidazole gel first-order derivative spectrophotometry.

82. To study the determination of sulfite in food by pararosaniline hydrochloric spectrophotometry, then according to the sample characteristic, the treatment select soak, ultrasonic and distill.

83. Spectrophotometry, chromatography and electrochemistry were emphasized. Finally, the prospect of aniline determination - Methods: Was forecasted.

84. A rapid flame atomic absorption spectrophotometry method was developed for thedetermination of selenium in table salt.

85. The aim of this paper was to introduce an experimental technique, the stopped-flow spectrophotometry, for the study of rapid reaction kinetics.

86. Some immune factors in haemocytes and serum of two cultured scallop, Chlamys farrei and Argopecten irradians, were assayed by spectrophotometry to elucidate the difference in immunity.

87. Methods Ultraviolet spectrophotometry was used. Orthogonal test was adopted to optimize extraction process of alkaloids from plumula nelumbinis.

88. Method: Aminoprin and Antipyrine were determined by CPA matrix spectrophotometry. Barbitial was determined by CPA matrix spectrophotometry with absorbance reduction technique.

89. The most common determining methods of corrosive gas - hydrogen sulfide are the methylene blue spectrophotometry and the iodimetry, however, these two methods are both affected by many factors.

90. Acetylcholinesterase was extracted from chicken brain, and the organophosphorus pesticide residues were determinated by enzyme inhibition spectrophotometry.