(1) Inject a minimum of 10 gallons of sulfuric acid.

(2) Discharge of sulfuric acid into Lakeside Lake Park is not allowable under narrative water quality standards.

(3) When rain water hits pyrite ore, it forms sulfuric acid, which leaches out copper and other metals.

(4) The water forms sulfuric acid, which leaches copper, cadmium, zine and other metals from the ore.

(5) Most sulfuric acid is made by the contact process.

(6) Chlorination is carried out with Nhaloamines and sulfuric acid.

(7) A corrosive solution of sulfur trioxide in sulfuric acid.

(8) Both concentrated sulphuric acid and dilute sulfuric acid are corrosive.

(9) Sulfuric acid as one of strong corrosive medium, sulfuric acid is the use of a very wide range of important industrial raw materials.

(10) Although thick sulfuric acid increases the lixiviate rate, it is not advisable due to its corrosiveness .

(11) Ammonium persulfate and sulfuric acid were used to turn completely the polyphosphoric acid into orthophosphoric radicals, which were then determined by spectrophotometry.

(12) The reaction of magenta and nitrite in sulfuric acid medium was studied.

(13) Another dissolves ilmenite or some other iron mineral in sulfuric acid to release oxygen.

(14) The acid solution is a mixture of glacial acetic acid, acetic anhydride, and sulfuric acid.

(15) In this paper the N-isopropyl-O-toluidine has been synthesized by means of co-catalysis used sulfuric acid as main catalyst and Nickel salt as catalytic promoter.

(16) The battery electrolyte contains fumed silica and there is no flow, no leakage or no gradation of sulfuric acid .

(17) In order to explore the methods to promote the seeds germination of Rhus chinensis, researches were conducted on the effect of sulfuric acid treating to seeds germination.

(18) Bromododecane was synthesized from n- dodecyl alcohol using byproduct hydrobromic acid from 1-bromoadamantan process as raw material in the presence of the concentrated sulfuric acid.

(19) The synthetic processes of phthalic anhydride diglycol ester using sulfuric acid and methyl benzene sulfonic acid as catalysts, respectively, were investigated.

(20) This technology uses a new catalyst to make copper oxidized by air in a dilute sulfuric acid solution and thus to prepare industrial cupric sulfate.

(21) Corrosively medium for chemical production such as sodium hydrate, caustic soda, sulfuric acid, nitric acid, acetic acid, fatty acid.

(22) Chalcopyrite and pentlandite can also not react with diluted sulfuric acid.

(23) It is lead gray powder with good chemical stability, which is soluble in aqua regia, hot nitric acid and dense nitric acid and insoluble in dilute sulfuric acid and organic solvents.

(24) The preparation of porous anodic alumina film is studied with sulfuric acid as electrolyte and the morphology of the film is characterized by field-emission scanning electron microscope(FE-SEM).

(25) The sulfur dioxide combines with water in the air, forming sulfuric acid.

(26) Investigators said they also found gallons of hydrochloric, nitric and sulfuric acid and 50 pounds of the toxic chemical hexamine from a storage area outside the main home.

(27) A new coloring method, alternating voltage passivation, was originated to obtain color films on stainless steel in Cr-free sulfuric acid solution.

(28) At the same time this item recovers the harmful discard- sulfuric acid to turn the cotton waste velveteen, changing to harm for the treasure, reducing the pollution of the environment.

(29) A greaseproof paper with high wet strength. It is produced by passing a paper web through a sulfuric acid bath that fuses its fibers into a homogeneous mass.

(30) Ethyl lactate was synthesized by transesterification of D, L- lactide with ethanol utilizing concentrated sulfuric acid as catalyst.

(31) Zinc gluconate is synthesized with calcium gluconate, sulfuric acid and zinc oxide.

(32) Methods:Colorimetry of Sulfuric acid—Anthrone was used to measure the content of total polysaccharides.

(33) The result showed that if the waste slag compose of 10% fluid and react with low concentrated sulfuric acid, 90% dihydrate plaster would be prepared.

(34) The influences of mole ratios of the reactants, concentration of sulfuric acid, sulfonation temperature and catalyst on reaction are discussed.

(35) Boric sulfuric acid anodizing is a new process of thin anodizing film. It may be used instead of chromic acid anodizing. This process is a "clean process" in environmental protection.

(36) In the reaction of sulfonation, the azeotropic water removing, sulfuric acid was used as sulfonating agent.

(37) The extraction raffinate can be concentrated by one-stage evaporation to obtain sulfuric acid with 80% of mass fraction.

(38) After pretreatment and dilution, waste sulfuric acid from titanium white production was used for preparation of resorcinol by acidic hydrolysis of meta- phenylenediamine .

(39) The influence factors of sulfuric acid soaking for treating chrysotile was investigated by means of orthogonal test.

(40) Must not add water, well water and concentrated sulfuric acid.

(41) The invention relates to a method for preparing a sulfonated carbon solid acid catalyst, which uses a sulfonic aromatic compound to replace sulfuric acid.

(42) Thorpe Group of Companies for the sulfuric acid Changzhou, Zhenjiang,[Sentence dictionary] Yixing region distributor.

(43) Down is soluble in alkaline reagents such as sodium hypochlorite, sodium hydroxide solution, insoluble in acid such as sulfuric acid, hydrochloric acid reagents and solvents.

(44) Methods: The polysaccharides was determined by colourimetry with sulfuric acid - phenol reagent.

(45) Methods: Cultivate Ganoderma in glycyrrhiza waste residue, and determine the polysaccharose content by phenol - sulfuric acid reaction system.

(46) It was proved that the osazone sulfuric acid development method(OSADM) is a quite ideal DAHPS activity assay method, according to the osazone 's absorption map, the linear relations, detecting limit.

(47) Indium was recycled from a certain converter slag containing 0.4% indium through a method of thermal activation leaching in sulfuric acid solution.

(48) The ceramic coating was produced with sulfuric acid dregs instead of industrial ferri powder by SHS.

(49) The proton exchange of the polarized benzoquinone radical in solution contained sulfuric acid was studied.

(50) A caustic acidic crystalline compound, NHCNH, prepared by treating calcium cyanamide with sulfuric acid.

(51) A salt of a pullulan aminoalkyl ether according to claim 1, wherein the salt -forming acid is hydrochloric acid , hydrobromic acid , sulfuric acid , nitric acid , acetic acid , or oxalic acid .

(52) The results show that the binder mass fraction and the impregnation concentration of sulfuric acid have great effect on the activity of the catalyst.

(53) The morphology of spherulite and mat-crystal structure in PPTA films coagulated from pure sulfuric acid solutions under different conditions has been studied by light scattering method.

(54) Cobalt sulfate can be obtained by stripping organic phase with sulfuric acid.

(55) Understanding of the manufacture of sulfuric acid in two ways, contact the Law and nitrification.

(56) A method of chromotropic acid absorptiophotometry determination of Ti in iron by aqua acid and sulfuric acid in sample dissolving was described.

(57) The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.

(58) The dioctyl glutaricate was prepared by esterification of octyl alcohol and glutaric acid separated from dicarboxylic acid in catalysis of sulfuric acid.

(59) O-Phenylphenol react with sulfuric acid, formaldehyde and ferric iron to form a red colour compound.

(60) Overall, Amy card star, that Nebuchadnezzar flubendazolum brulamycin, sulfuric acid test for jinggangmeisu chicken escherichia coli sensitivity is highest.

(61) Remove of iron from sulfuric acid leaching solution of ferrochromium alloy by goethite is researched.

(62) Sulfuric acid dimethyl ester, one of the important chemical raw materials acts as the methylating agent in the organic synthesis for the purpose of replacing alkyl halide.

(63) Cyanamidealsocyanamid: a caustic acidic crystalline compound, NHCNH, prepared by treating calcium cyanamide with sulfuric acid.

(64) Aluminium hydroxide with 99.99% of purity was obtained by two-step purifying aluminium sulfate solution made from aluminium hydroxide and sulfuric acid with industry purity.

(65) By curing process, and used pyrite, pyrolusite and sulfuric acid as material, manganous sulfate was product.

(66) Foodstuff industry: the production of Miltonic acid (hydrochloric acid); extraction of edible oil (sulfuric acid); the industry of tinned fruits (hydrochloric acid).

(67) The phosphorus content of phytin was determination in molybdate -antimony-scandium color agent after it was digested by concentrated sulfuric acid and perchlorate, with its deviation of no over 5%.

(68) A new technology to produce potassium alum by soaking the alunite ripe breeze dilute sulfuric acid was introduced. Technological process and experimental conditions are described.

(69) Sulfuric acid and acetic anhydride were used as a cyclizing agent to prepare Ofloxacin intermediate.

(70) Bicyclic fused aziridines can generate regioselective ring opening reaction with various alcohols, catalyzed by slight concentrated sulfuric acid.

(71) Electrogenerated thallic ion at platinum anode in sulfuric acid media has been used as a coulometric intermediate.

(72) The powdery polyphosphate ferric sulfate was prepared from iron vitriol, the byproduct in titanium pigment production by sulfuric acid process, and complex oxidant.

(73) It had been found that ammonium ferric sulfate dodecahyrate was superior to sulfuric acid when used as catalyst for esterification of isoamyl alcohol and hexanoic acid.

(74) Refining processes with concentrated sulfuric acid or hydrogen fluoride as catalyst are currently being used for the manufacture of alkylation gasoline from isobutane and light olefins from FCCU.

(75) Company main products are electrolytic copper, gold, silver, sulfuric acid, iron pellets, iron fine sand, copper.

(76) The corrosion resistance of Q235 steel in 10% sulfuric acid and rich liquid was studied after steel was treated through the surface nitridation titanium.

(77) The anodic oxidation and electrolytic colouring of 6063 aluminum alloy containing rare earths in solutions of sulfuric acid and stannous sulfate are studied.

(78) That sulfuric acid reacts with copper, forming copper sulfate is known to most people.

(79) Reactive blue 19 has poor solubility in alkali liquor when drawing off sulfuric acid ester with strong hydrophilic in batch. So, this dyestuff can not be used on cellulose by this dyeing method.

(80) Which indubitably indicate that the bismuthous sulfide can only dissolve in halogen acid except hydrofluoric acid, the mixed solution of dilute sulfuric acid and alkali halide.

(81) Sulfuric acid, phosphoric acid, aluminum sulphate, calcium sulphate, calcium chloride and superphosphate were selected as chemical amendments for co-composting of pig manure and straw.

(82) Technology of sulfuric acid catalyzed ethyl esterification of high acid value tuna oil was studied.

(83) The synthesis of 6-hydroxyquinoline was improved by reacting of glycerin and p-aminophenol in the presence ofp-nitrophenol, concentrated sulfuric acid, boric acid and ferrous sulfate.

(84) The hydrated silicic acid slurry can be prepared through the reaction of water-glass and sulfuric acid, water-washing and homogenization treatment.

(85) The oxidation of isosafrole is reaction with anhydride - acetone, anhydride - acetic acid, sodium bichromate - sulfuric acid and so on.

(86) Experimental results showed that sulfuric acid and p-toluene sulfonic catalyst had great effect on the membrane stability and the solid super acid catalyst had no effect on membrane stability.

(87) Phthalmidomethyl copper phthalocyanine was synthesized, through reaction of cooper phthalocyanine which was dissolved by sulfuric acid, together with paraformaldehyde and phthalimide.

(88) Peroxyacetic acid was prepared from hydrogen peroxide and acetic acid in the presence of sulfuric acid at room temperature.

(89) The PS water reducing agent, which is very effective for concrete, has been made from waste poly styrene(WPS) by sulfuric acid of fuming sulfuric acid sulfonation process.

(90) The phosphorus content of phytin was determined in molybdate-antimony-scandium color agent after it was digested by concentrated sulfuric acid and perchlorate, with its deviation of no over 5%.

(91) A route suitable for industrial production of secnidazole was improved, in which boron trifluoride etherate was used in replacing sulfuric acid as the catalyst.

(92) The treatment of the waste acid was discussed from sulfuric acid alkylation plant, and it was utilized to produce active clay.

(93) In the system of sulfuric acid phenylglycollic acid cinchonine potassium chlorate, micro amount of tungsten in ammonium molybdate products has been determined by catalytic polarography.

(94) In addition, the effects of temperature and concentration of sulfuric acid on the concentration of LA and 5-hydroxymethyl furfural (HMF) were shown.

(95) Hole forming in the cooling bundles of the fluidizedroaster in sulfuric acid plant is very harmful.

(96) By experiment we state the best sulfuric acid concentration, align of reactant , temperature and acid - base degree.

(97) It is reported that hard alloy scrap is treated by electroosmosis and electrolysis together taking sulfuric acid as electrolyte in order to recover cobalt metal and Tungsten Carbide.

(98) This process soaks the solution made up of copperas, sulfuric acid, manganese sulfate at the at the temperature of 40 - 60degrees for 1 - 8 hours.

(99) The reaction of iron with sulfuric acid is a case of replacement.

(100) The oxidation of thymol peroxide in sulfuric acid medium using Fecatalyst was investigated in this paper.

(101) The experiment uses sodium hydroxide, sulfuric acid, nickel carbonate to deal with wasted nickel catalyst.

(102) Sulfonated EPDM ionomers ( S - EPDM ) were prepared with concentrated sulfuric acid and acetic anhydride.

(103) Estazolam reacts with sulfuric acid to form an intense fluorescent substance.

(104) The influences of temperature,[http:///sulfuric acid.html] concentration of sulfuric acid and time on the reaction were studied. The optimum conditions of reaction were obtained.

(105) It is formed by the reaction of cellulose with ethanoic acid using sulfuric acid as catalyst.

(106) This paper introduced a manufacturing process of manganese sulfate with titanium white waste sulfuric acid, and good environmental and economic benefit were obtained.

(107) The content of polysaccharide in Pleurotus Nebrodensis was determined by phenol - sulfuric acid spectrophotometry at 485 nm.

(108) Effect of active addition agent and ultrasonic on reaction kinetics of phosphate rock and sulfuric acid in the single superphosphate ( SSP ) process are studied.

(109) The coagulation test of SBR-1712 latex, by using the TXD-63 ( polymeric flocculant ) and sulfuric acid system was carried out on a 10 kt SBR commercial plant.

(110) A new technique employing modified zirconium oxide to replace the concentrated sulfuric acid as catalyst in synthesis butyl lactate is studied. The result is satisfied. The yield rate reaches 85%.

(111) The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor, but it occurs deviation.

(112) The role of liquid sealing in chemical industry is expounded. Then the modification and operation to some equipment of ammonium phosphate and sulfuric acid in the company are introduced.

(113) Methods: Determining lipopolysaccharide and phosphatide contents through phenol hydrate - sulfuric acid and molybdenum blue colorimetric method.

(114) The main processes of bisphenol-A including sulfuric acid process ,() hydrogen chloride process and ion-exchange resin process are briefly introduced .

(115) N-octyl bromide was synthesized by hydrobromic method in which took n-octanol and industrial waste hydrobromic acid(48%) as materials, concentrated sulfuric acid as a catalyst.

(116) After reduction , manganese is extracted by sulfuric acid and high purity manganese carbonate is obtained after impurity removal from the solution and reaction with ammonium carbonate.

(117) Ahab's alloy is a high ni high molybdenum alloys, in nitric acid chromic acid, sulfuric acid etc oxidizing acids has good corrosion resistance.

(118) Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.

(119) Unreacted calcium oxide or calcium carbonate generates sufficient heat to the endothermic reaction between calcium fluoride and sulfuric acid so that no external heat is needed.

(120) Bromination of 4-nitroaniline with hydrobromic Acid and hydrogen peroxide as brominating agent in dilute sulfuric acid was studied.

(121) The nitrile ( II ) ( 28 g ) was mixed with 26 ml of concentrated sulfuric acid.

(122) The content of polysaccharide in Lycium barbarum extract was measured by phenol - sulfuric acid method.

(123) This invention relates to a process for preparing an oil-soluble plugging agent for oil well-drilling liq. , in which sulfuric acid is used as a reactant to treat acid sludge.

(124) As a comparison, the pouring point of sulfuric acid and then nothing?

(125) In the determination of total nitrogen in water sample by flow injection analysis instrument, the concentration of sulfuric acid which used for the preservation of sample affected the result.

(126) Other materials, such as sulfuric acid, caustic soda and ethanediol, can be purchased form the factory nearby.

(127) This paper studies the effects of the sulfuric acid anodizing and chromic acid anodizing on the fatigue strength in the intermediate value life zone of LY12CZ plate and LC9CS bar .

(128) The effects of the concentration of sulfuric acid, ratio of solid to liquid, temperature and time on leaching efficiency were investigated.

(129) The extracting iron from pyrite cinder by reductive roasting and sulfuric acid leaching was investigated.

(130) In the sulfuric acid production, the refractory lining materials in the fluidized bed furnace is lined with the firebrick, which is difficult for construction and maintenance, and its cost is high.

(131) Benzyl bromide was synthesized from potassium bromide, a by-product from synthesis of 2-hydroxy-4-n-octyloxybenzophenone(UV-531), and benzoic alcohol in the presence of concentrated sulfuric acid.

(132) The essay use the way scrap iron react with sulfuric acid, then adding oxidant - ammonium peroxydisulfate.

(133) This paper narrates the effect and the demand of titanium liquid filter aid; and introduces the use of diatom earth filter aid in the manufacture of titanium white by sulfuric acid method.

(134) This settlement is the third nationwide compliance agreement in a Clean Air Act initiative under which DOJ and EPA expect to reach similar agreements with other sulfuric acid manufacturers.

(135) Phosphate rock is mixted with sulfuric acid and with revycled first - wash acid in a premixer.

(136) Dropped hydrochloric acid or sulfuric acid to acetone oxime, solid hydroxylamine could get.

(137) From the reaction of Zinc and Sulfuric acid, this artide describes the matter of the reaction and advances that the Overpotential is mostly factor of these reactions.

(138) By exploring the properties of more potential solvents, such as sulfuric acid and formamide, the researchers hope to expand the potential life-supporting zone.

(139) Organo mineral compound fertilizers are digested with sulfuric acid hydrogen peroxide and nitric acid perchloric acid, respectively, and then their total potassium content is determined.

(140) The effects of the amount of sulfuric acid solution, the amount of potassium iodide solution and quiescent time after extraction were investigated.

(141) Present a kind of application of recursive identification and adaptive control to sulfuric acid process.

(142) Sugar, sulfuric acid, diamonds, and oil all follow different routes, but each navigates a web that touches various machines and may even cycle around again to its elemental form.

(143) Methods Xanthydrol coloring method, sulfuric acid coloring method, and HPLC method were developed for determination of the release of dirithromycin enteric-coated tablets.

(144) Common acidic agents in chemical burns include sulfuric acid found in car batteries, sulfurous acid found in bleach, and hydrochloric acid used in swimming pools.

(145) The problem of fiber demister blocked by sublimed sulfur and oil smoke appears in the production of sulfuric acid from sulfur-burning easily.

(146) By contrast the traditional zinc oxide catalyst and from the point of preparation cost, we decide use sulfuric acid activated solid superacid as synthesis catalyst.

(147) The effect of activation porous agent on reaction process of phosphate rock acidulated by sulfuric acid was studied.

(148) Sphalerite was oxidized and leached by manganese ore in acidic condition(sulfuric acid system), lixivium of which was used to extract indium and separate iron.

(149) With contrast experiments, this paper discussed the influence of dosage of phenol and concentration of sulfuric acid on the results.

(150) Diglycol diacetate had been obtained with sulfuric acid or toluene - p - sulfonic acid as catalyst in lab.

(151) The acidulation behavior of silicates in water-quenched Ti-bearing slag with dilute sulfuric acid was investigated.

(152) Produced by Hong Fanna, chromium anhydride, sulfuric acid anhydride, chrome green exported to the United States, Canada, Japan and Hong Kong and other countries and regions.

(153) In addition, the distinction between sulfuric acid corrosion and thiobacillus corrosion is explained.

(154) There are several dozen plants producing titanium white by sulfuric acid process in China, but they are small in scale and capacity with few product varieties.

(155) Certain colors, due to pigment ingredients, may inherently have very poor sulfuric acid resistance.

(156) The aperture and porosity are compared which in sulfuric acid and oxalic acid by SEM.

(157) Sulfuric acid leaching technology of a nickeliferous spent material was studied.

(158) Compared with sulfuric acid process, under the premise of ensuring pure benzene quality, the pollution of tar acid and waste water contained with acid on environment can be eliminated.

(159) The lavation regenerative method is leaves in the activated charcoal pore with the laundering the sulfuric acid, again carries on to the activated charcoal dryly.

(160) The synthesis of polyoxytetramethylene glycol(PTMG)from tetrahydrofuran was investigated, using fuming sulfuric acid as catalyst.

(161) The mainly industrial productions of titanium dioxide are sulfuric acid method and the chlorination process, but they have caused the serious environmental pollution.

(162) In addition, the effects of temperature and concentration of sulfuric acid on the concentration of LA and 5-hydroxymethyl furfural were shown.