方法：采用硫酸根离子沉淀法。
亚硫酸根离子可把溴由棕色变成无色。
Sulphite SO 3 can turn bromine water from brown to colorless.
解决了分析染液中微量硫酸根离子的难题。
The perplexing problems of identifying the amount of SO42 - in dyes are successfully solved.
亚硫酸根离子可把酸化高锰酸钾由紫色变成无色。
So 3 can turn acidified potassium permanganate solution from purple to colorless.
亚硫酸根离子可把酸化重铬锰酸钾由橙色变成绿色。
So 3 - can turn acidified potassium dichromate solution from orange to green.
循环铬液中高浓度硫酸根离子的存在是造成上述差异的主要原因。
The main reason that results in the differences is the high concentration sulfate ion in the used chrome tan liquor.
各类石油化工，钢铁冶金工厂排放的废水中也含有大量硫酸根离子。
The waste water released by various types of petrochemicals, iron and steel metallurgy plant also contains a lot of sulfate ion.
硫酸根离子呈现北低南高分带性可能与地下水流动与大陆咸化作用有关。
The sulfate radical ion shows hight in south and low in north is possible relate with the ground water flows and the mainland salty function.
用该方法对阿霉素脂质体样品中的微量硫酸根离子进行了分析测定，结果令人满意。
This method has been proved to be simple, sensitive and accurate, and also has been applied to determine sulfate ion in liposome doxorubicin sample with satisfactory results.
介绍了一种采用针铁矿的天然矿物原料吸附酸性矿井废水中硫酸根离子的试验研究。
The absorption capacity of a natural mineral adsorbent has been investigated for sulfate reduction in acid mine drainage.
化合物4是由多酸阴离子、硫酸根离子、水分子通过氢键胶合在一起，形成3d结构。
Compound 4 is a 3d structure built from polyanion, sulfate ion, water molecules through hydrogen bonding interactions.
考察各类工艺条件对脱除效果的影响，得最适宜工艺条件：钙离子和硫酸根离子的配比1。
The impacts of various technological conditions on removal effects are investigated with the optimal technological conditions obtained as follows:ratio of Ca2+ to SO42- as 1.
指出硫酸根离子（SO42-）在混凝土中起到了激发FC掺和料及腐蚀混凝土的双重作用。
The sulfate radical ion (SO42-) has two actions in concrete: exciting FC admixture and corroding concrete.
在注水过程中，钡离子和硫酸根离子的化学反应虽然发生在整个储层中，但是硫酸钡沉淀主要集中在近井带。
In the injection process, the barium ion and sulfate ion chemical reactions occur in the reservoir, but the barium sulfate precipitation mainly concentrated in the near wellbore.
在阳离子表面活性剂——十六烷基三甲基溴化铵（CTMAB）的存在下，用比浊法对铝箔蚀腐液中微量硫酸根离子进行测定。
Traces of sulfate ions in etching solution for aluminum foil have been determined by turbidimetry in presence of cation surface activator-hexadecyl trimethyl ammonium bromide (CTMAB).
采用离子色谱法同时测定合成药物中存在的四氟硼酸根、对甲基苯磺酸根、硫酸根、1，4-丁二磺酸根4种离子。
A new method of simultaneous separating and determining tetrafluoroborate, p-toluene sulphonic acid, sulfate radical and 1,4-Butanedisulfonie acid by ion chromatography was established.
建立了离子色谱测定蔗糖中微量亚硫酸根(SO_2)残留量的方法。
An ion exchange chromatography method was established to measure trace sulfite (SO_2) in sugar.
在优化工艺条件下，亚磷酸根、硫酸根、钠离子去除率分别可达5 0 %、30 %、80 %，并对其机理作了初步探讨。
Under optimal conditions, the removing rates of phosphite radicals, sulfate radicals and sodium ions can reach 50%, 30% and 80% respectively. The mechanism is also discussed.
在优化工艺条件下，亚磷酸根、硫酸根、钠离子去除率分别可达5 0 %、30 %、80 %，并对其机理作了初步探讨。
Under optimal conditions, the removing rates of phosphite radicals, sulfate radicals and sodium ions can reach 50%, 30% and 80% respectively. The mechanism is also discussed.
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