Preparation of Sulfourea Dioxide
u4e8cu6c27u5316u786b u8132u7684u5236u5907
The sulfourea was used for screening some disturbing elements .
u91c7u7528 u786bu8132 u63a9u853du5e72u6270u5143u7d20u3002
The ad u02c9 sorption efficiency for gold is100 % in hydrochloric acid and the gold absorbed can be eluted off with sulfourea .
u5728u76d0u9178u4ecbu8d28u4e2duff0c u9ad8u5206u5b50 u51a0u919au5bf9u91d1u7684u5438u9644u7387u53efu8fbe100%uff0cu5438u9644u7684u91d1u53efu88ab u786bu8132 u5b8cu5168 u89e3u5438uff0cu5438u9644 u5bb9u91cfu4e3a 19.40mg uff0f guff1b
The interference of Fe 3 + and Cu 2 + could be sheltered by the addition of 1.0 mL ascorbic acid and 2.0 mL sulfourea .
1.0mLu6297u574fu8840u9178uff0c 2.0mL u786bu8132u53efu63a9u853dFe3+u53caCu2+u7684u5e72u6270u3002
Zinc in crude oil was determined while interfere ions were masked by triethanolamine and sulfourea solution as screening agent . The mean recovery rate of the synthetic sample is 100.15 % . The RSD is 1.13 % .
u91c7u7528u4e09u4e59u9187u80fau548c u786bu8132u4f5cu4e3au8054u5408u63a9u853du5242u6d88u9664u5176u5b83u79bbu5b50u7684u5e72u6270uff0cu4ebau5de5u5408u6210u6837u54c1u5e73u5747u56deu6536u7387u5728100.15%uff0cu76f8u5bf9u6807u51c6u504fu5deeu4e3a1.13%u3002
The corrosion potential of aluminium is measured in hydrochloric acid solution which contains sulfourea of different concentration at 25 u2103 and 35 u2103 by electrochemical method .
u572825u2103u548c35u2103u7684u6761u4ef6u4e0buff0cu7528u7535u5316u5b66u65b9u6cd5uff0cu5bf9u94ddu5728u542bu6709u4e0du540cu6d53u5ea6 u786bu8132u7684u76d0u9178u6eb6u6db2u4e2du8fdbu884cu8150u8680u7535u4f4du6d4bu8bd5u3002
Study on a new processing of gold leaching by sulfourea
u786bu8132u6d78u91d1u65b0u5de5u827au7684u7814u7a76
Study on separation of tungsten and molybdenum with sulfourea resin
u786bu8132u6811u8102u5206u79bbu94bcu3001u94a8u7684u7814u7a76
Results from a real electroplating solution show that sulfourea and detergent are about 140 ppm and 700 ppm respectively .
u5b9eu6d4bu7ed3u679cuff0c u786bu8132u548cu6d17u6da4u5242u7684 u6b8bu7559 u91cfu5206u522bu4e3a140PPmu548c700PPmu3002
Corrosion Inhibition of Sulfourea to Aluminium and Its Adsorption on Aluminium Surface in Hydrochloric Acid Solution
u76d0u9178u6eb6u6db2u4e2d u786bu8132u5bf9u94ddu7684u7f13u8680u4f5cu7528u53cau5176u5728u94ddu8868u9762u4e0au7684u5438u9644
Clinical Investigation on Treatment of Integrated Traditional and Western Medicine in Hyperthyroidism with Leukocytopenia Induced by Sulfourea Drogs
u7532u72b6u817au673au80fdu4ea2u8fdbu75c7u7528 u786bu8132u7c7bu836fu7269u81f4u767du7ec6u80deu51cfu5c11u7684u4e2du897fu533bu7ed3u5408u6cbbu7597
The samples were dissolved with microwave HNO3 + H2O2 dissolution system sulfourea and ascorbic acid were used as reductant and HG-AFS was applied to determine the stannum in tinned food .
u65b9u6cd5u6837u54c1u7ecfHNO3+H2O2u5faeu6ce2u6d88u89e3u4f53u7cfbu6d88u89e3u540euff0cu4ee5 u786bu8132u548cu6297u574fu8840u9178u4f5c u9884u8fd8u539fu5242uff0cu7528u6c22u5316u7269u539fu5b50u8367u5149u5149u8c31u6cd5u6d4bu5b9au7f50u5934u98dfu54c1u4e2du9521u3002
The relationship between weight increasing ratio of carbon fibre with pH value time and temperature and the relationship between phosphor content in the deposit with pH value and sulfourea content were studied .
u7814u7a76u4e86u78b3u7ea4u7ef4u589eu91cdu7387u4e0epHu503cu3001u65f6u95f4u548cu6e29u5ea6u7684u5173u7cfbuff0cu4ee5u53cau9540u5c42u4e2du542bu78f7u91cfu4e0e u9540 u6db2pHu503cu3001 u786bu8132u542bu91cfu7684u5173u7cfbu3002
Total As was determined after As (u2174) was reduced by sulfourea and ascorbic acid .
u786bu8132 -u6297u574fu8840u9178u5c06Asuff08Vuff09u8fd8u539fu540eu6d4bu5b9au6837u54c1u4e2du7684u603bAsuff1b
美[sʌlfɔ:'rɪr]英[sʌlfɔ:'rɪə]
硫脲