Determination of arsenic in urine and feces by dry ashing, atomic absorption spectrometry [0.03%]
干灰化原子吸收法测定尿液和粪便中的砷含量
G K Tam,G Lacroix
G K Tam
A dry ashing flameless atomic absorption procedure was used to determine fish-arsenic in human urine and feces. Samples were dry ashed with Mg(NO3)2--MgO and dissolved in 6N HCl. Arsine was generated by the addition of NaBH4 and swept into ...
An enzyme-immobilization procedure for the analysis of enzyme-inhibiting chemicals in water [0.03%]
一种用于分析水中酶抑制化学物质的固定酶方法
G M Christensen,B L Riedel
G M Christensen
The enzymes cholinesterase and urease were mixed individually with gelatin and immobilized onto the inside surface of glass capillary tubes. After the gelatin-enzyme mixture had dried, water samples containing various enzyme inhibiting test...
Determination of total tin in environmental biological and water samples by atomic absorption spectrometry with graphite furnace [0.03%]
原子吸收光谱-石墨炉法测定环境生物和水样中的总锡
S Dogan,W Haerdi
S Dogan
Analysis of traces of tin using several analytical techniques (X-ray fluorescence, neutron activation, polarographic techniques and atomic absorption) have been tested. Parameters such as simplicity, rapidity, sensitivity and interferences ...
The cumulation of methylmercury in fish (Poecilia reticulata) [0.03%]
鱼类(Poecilia reticulata)中的甲基汞累积
J Starý,K Kratzer,B Havlík et al.
J Starý et al.
Methylmercury labelled with mercury-203 was used for the investigation of the uptake and the release of methylmercury in fish. It has been found that methylmercury compounds adsorbed on fish food remain completely in fish and that they are ...
Determination of selenium in tissues, serum, and blood of wild rodents by graphite furnace atomic absorption spectrophotometry [0.03%]
石墨炉原子吸收光谱法测定野生啮齿动物组织、血清和血液中的硒
C D Rail,D E Kidd,W M Hadley
C D Rail
Selenium (Se) levels were determined in liver, kidney, blood, and serum of wild rodents using graphite furnace atomic absorption spectrophotometry. A simple wet digestion technique was used to prepare samples for analysis. Nickel nitrate wa...
M C Saxena,T D Seth,P L Mahajan
M C Saxena
Fifty specimens of placenta and accompanying fluid were collected at random from women of general population and analyzed for organo chlorine pesticides by gas liquid chromatograph using electron capture detector. BHC, Lindane, DDT, DDE, DD...
Trace elemental analysis of extracted dust from lungs and lymph nodes of domestic animals using X-ray fluorescence technique [0.03%]
采用X射线荧光技术分析家养动物肺和淋巴结提取粉尘的微量元素分布特征研究
K K Dwivedi,M S Prasad,G N Rao et al.
K K Dwivedi et al.
Samples of dust extracted from the lungs and lymph nodes of certain domestic animals from West Bengal, Orissa, Bihar provinces of India were quantitatively analysed using photon excited energy dispersive X-ray fluorescence technique. Thin s...
Fingerprint analyses of plant and animal tissues with respect to the occurrence of foreign compounds [0.03%]
植物和动物组织中外来化合物存在的指纹分析
L Vollner,F Korte
L Vollner
Glass capillary chromatography can be used for the characterization of complex mixtures of plant and animal samples after clean-up by counter-current distribution. For good reproducibility of fingerprint patterns a special splitless injecti...
Distribution of volatile halogenated organic compounds between rat blood serum and adipose tissue [0.03%]
关于卤代挥发性有机物在大鼠血清和脂肪组织之间的分配行为
C D Pfaffenberger,A J Peoples,H F Enos
C D Pfaffenberger
A 31-day rat-dosing sequence was used to study some aspects of the physiological distribution, metabolism, storage and rate of elimination of chloroform, trichloroethylene, carbon tetrachloride and bromodichloromethane from rat adipose tiss...
Baseline studies of the global pollution. I. Occurrence of organohalogens in pristine European and antarctic aquatic environments [0.03%]
基线研究:全球污染的基础研究Ⅰ.欧洲和南极原始水域或卤素化合物污染分布特征
K Ballschmiter,M Zell
K Ballschmiter
Pristine Alpian fresh water lakes with no run off were selected to monitor the atmospheric fall-out of C6--C12 -organochlorine compounds. Off-shore marine areas were taken for monitoring the average marine pollution by these compounds. In b...