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Topic: Hydrochloric


In the News (Sun 27 Dec 09)

  
  Hydrochloric acid Summary
Hydrochloric acid is a proton donor, this is the hydrogen ion.
Hydrochloric acid is frequently used in chemical analysis and to digest samples for analysis.
Hydrochloric acid is a fundamental chemical, and as such it is used for a large number of small-scale applications, such as leather processing, household cleaning, and building construction.
www.bookrags.com /Hydrochloric_acid   (3717 words)

  
 Hydrochloric Acid Facts
Hydrochloric acid, or hydrogen chloride, is either a colorless liquid with a pungent odor, or a colorless to slightly yellow gas that can be shipped as a liquefied compressed gas.
Hydrochloric acid is also used in electroplating, leather tanning, ore refining, soap refining, petroleum extraction and pickling of metals, and is used in the photographic, textile and rubber industries.
Hydrochloric acid is not compatible with strong bases (such as sodium hydroxide and potassium hydroxide) and organic materials (such as wood).
www.dhss.mo.gov /hsees/hydrochloric.html   (875 words)

  
 Diagnose-Me: Treatment: Hydrochloric Acid (Trial)
In order to confirm whether hydrochloric acid (HCl) is needed, the HCL trial is used to assess stomach digestive function by evaluating the integrity of the stomach lining and its mucous barrier.
At that time, hydrochloric acid and pepsin supplementation was recommended in some cases and repigmentataon was achieved in 2 to 3 years with this alone.
Once the stomach lining has been healed by the use of other agents, a hydrochloric acid (HCl) trial is often useful since it may have been an HCl deficiency that contributed to bacterial overgrowth and subsequent inflammation in the first place.
www.diagnose-me.com /treat/t156353.html   (1988 words)

  
 Occupational Illnesses and Injuries: Hydrochloric Acid Facts
Hydrochloric acid is most often used as a chemical intermediate to manufacture other chemicals and is used for the pickling/cleaning of metal surfaces.
Hydrochloric acid, even with short-term exposure, can irritate the eyes and cause burning, swelling, tearing of the eyes, blurred vision, photophobia, sloughing of the surface cells of the eye, and may cause blindness.
Hydrochloric acid is considered a strong oxidizer and steps should be taken to separate hydrochloric acid and hydrochloric acid products from incompatible materials such as copper, brass, bronze, galvanized steel, tin, zinc, oxidizers, combustible materials, plastics, rubber and some coatings.
www.epi.state.nc.us /epi/oii/hcl   (1945 words)

  
 [No title]
Hydrochloric acid is a federal hazardous air pollutant and was identified as a toxic air contaminant in April 1993 under AB 2728.
Hydrochloric acid fumes in the air and is soluble in water, alcohol, benzene, methanol, ethanol, and ether.
Hydrochloric acid is used as a general antimicrobial to disinfect bathrooms, kitchens and food preparation areas, and other areas in commercial and industrial buildings, in hospitals, in nursing homes, and in and around household dwellings (DPR, 1996).
www.scorecard.org /chemical-profiles/html/hydrochloric_acid.html   (942 words)

  
 CHECK YOUR STOMACH FOR SUFFICIENT HYDROCHLORIC ACID
When hydrochloric acid is injected into the body in very dilute, physiologic amounts, the white blood cell systems increase their activity, the blood pH returns to normal regardless of whether it is too acid or too alkaline and the number of white cells increase.
Chlorine may be found free as hydrochloric acid in the gastric juice or combined with albumin in albuminosis or it may be found united with sodium chiefly in the fluids of the body and with potassium in the solids.
Hydrochloric acid reacts with the duodenal membrane to produce a hormone called secretin which stimulates the pancreas to release insulin, increase the formation of bile and upgrade the activity of the gallbladder.
www.rheumatic.org /hcl.htm   (6141 words)

  
 HHMI Lab Safety: LCSS: HYDROCHLORIC ACID AND HYDROGEN CHLORIDE   (Site not responding. Last check: 2007-10-12)
Hydrochloric acid and hydrogen chloride gas are highly corrosive substances that may cause severe burns upon contact with any body tissue.
Hydrochloric acid should be handled in the laboratory using the "basic prudent practices" described in Chapter 5.C. Splash goggles and rubber gloves should be worn when handling this acid, and containers of HCl should be stored in a well-ventilated location separated from incompatible metals.
Otherwise, hydrochloric acid and waste material containing this substance should be placed in an appropriate container, clearly labeled, and handled according to your institution's waste disposal guidelines.
www.hhmi.org /about/labsafe/lcss/lcss48.html   (789 words)

  
 Hydrochloric Acid Spills in New York State - Hazardous Substances Emergency Events Surveillance (HSEES) 1992-1997   (Site not responding. Last check: 2007-10-12)
Hydrochloric acid (HCl), is a colorless to slightly yellow liquid with a sharp, pungent odor.
Hydrochloric acid is corrosive to the eyes, skin, and mucous membranes.
Although the deaths were not from exposure to hydrochloric acid, they are included in the database because the employees were killed during an accidental chemical release from the collision.
www.health.state.ny.us /nysdoh/environ/hsees/hcl.htm   (1478 words)

  
 Hydrochloric acid (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-10-12)
Hydrochloric acid, or muriatic acid by its historical but still occasionally used name, has been an important and frequently-used chemical from early history, and was discovered by the alchemist Jabir ibn Hayyan around 800.
Hydrochloric acid was first discovered around the year 800 by Arab-Yemeni alchemist Jabir ibn Hayyan (Geber), by mixing common salt with vitriol (sulphuric acid).
Hydrochloric acid is considered a strong acid, since it is practically fully dissociated in water.
hydrochloric-acid.iqnaut.net.cob-web.org:8888   (2822 words)

  
 Hydrochloric Acid   (Site not responding. Last check: 2007-10-12)
Hydrochloric acid (CAS# 7647-01-0), or hydrogen chloride, is either a colorless liquid with a pungent odor, or a colorless to slightly yellow gas which can be shipped as a liquefied compressed gas.
Hydrochloric acid is one of the most corrosive of the nonoxidizing acids in contact with copper alloys, and is handled in dilute solutions.
Synonyms for hydrochloric acid are hydrogen chloride, anhydrous hydrogen chloride, aqueous hydrogen chloride, chlorohydric acid, spirit of salts, and muriatic acid.
www.nsc.org /ehc/chemical/Hydrochl.htm   (1098 words)

  
 Three years of Hydrochloric Acid Therapy   (Site not responding. Last check: 2007-10-12)
Ferguson attributed this absence of toxicity to the fact that hydrochloric acid is one of the very few inorganic acids which are normal con­stituents of the human body, and he determined to experi­ment upon himself in order to discover whether it could be used safely by intravenous injection.
He was a student of biologic chemistry, and from his knowledge and observation of plant life and its behavior under the influence of hydrochloric acid and the salts of potassium in the soil, he believed that certain similar principles applied to the growth and nourishment of human beings.
The application of the principles of the principles of the hydrochloric acid therapy, or the "acid-mineral therapy" to various metabolic disturbances such as diabetes mellitus, arthritis and many obscure conditions, is deserving of serious consideration.
www.psychresearch.com /HCltherapyintro.html   (5125 words)

  
 Hydrochloric Acid (Hydrogen Chloride) | Technology Transfer Network Air Toxics Web site | US EPA
Acute animal tests in rats, mice, and rabbits, have demonstrated hydrochloric acid to have moderate to high acute toxicity from inhalation and moderate acute toxicity from oral exposure.
Chronic inhalation exposure caused hyperplasia of the nasal mucosa, larynx, and trachea and lesions in the nasal cavity in rats.
In rats exposed to hydrochloric acid by inhalation, severe dyspnea, cyanosis, and altered estrus cycles have been reported in dams, and increased fetal mortality and decreased fetal weight have been reported in the offspring.
www.epa.gov /ttn/atw/hlthef/hydrochl.html   (1135 words)

  
 The Analyst - Internet Health Report: Condition: Hydrochloric Acid Deficiency
Hydrochloric acid (HCl) insufficiency can be complete (achlorhydria) or partial (hypochlorhydria) and intermittent.
Hydrochloric Acid: (HCl): An inorganic acidic compound, excreted by the stomach, that aids in digestion.
Hypochlorhydria: The condition of having low hydrochloric acid levels in the stomach, often the cause of digestive disorders.
www.digitalnaturopath.com /cond/C42513.html   (2164 words)

  
 071. Hydrochloric acid (FAO Nutrition Meetings Report Series 40abc)
NOTE - Hydrochloric acid produced during the manufacture of chlorinated hydrocarbon insecticides is not considered to be of food grade quality and is not suitable for use in food processing.
The hydrolytic action of hydrochloric acid on food substances is similar, in principle, to that of the acid occurring in normal gastric juice.
Observations in man Prolonged exposure to low concentrations of gaseous hydrochloric acid leads to erosion of teeth; exposure to acid mist produces bleeding nose and gums with ulceration of oral and nasal mucosa and tender facial skin (Patty, 1962).
www.inchem.org /documents/jecfa/jecmono/40abcj43.htm   (618 words)

  
 Resistoflex: Hydrochloric Acid (HCl)
Hydrochloric acid (also known as muriatic acid) is a highly corrosive solution which plays a prominent role in the production of chemicals, petroleum, metals, textiles, leather and food products.
Concentrated hydrochloric acid is one of the strongest acids known.
One of the more common operations in handling hydrochloric acid in lined piping is dilution to a lower strength acid.
www.resistoflex.com /hci.htm   (385 words)

  
 ATSDR - MMG: Hydrogen Chloride
Hydrochloric acid (muriatic acid) is a component of commercial chemicals used to clean and disinfect swimming pools.
Ingestion of concentrated hydrochloric acid or massive skin exposure to either hydrochloric acid or hydrogen chloride gas may cause low blood pressure as a result of gastrointestinal bleeding or fluid displacement.
However, victims exposed to hydrochloric acid or hydrogen chloride whose clothing or skin is moist or wet can secondarily contaminate response personnel by direct contact or through off-gassing vapor.
www.atsdr.cdc.gov /MHMI/mmg173.html   (4580 words)

  
 Hydrochloric Acid : DC Chemical Co., Ltd.   (Site not responding. Last check: 2007-10-12)
There are two kinds of Hydrochloric Acids produced by DC Chemical: Synthetic Hydrochloric Acid, which is produced by mixing hydrogen with chlorine; and Hydrochloric Acid as a by-product, which is an outgrowth of the manufacturing process.
Hydrochloric acid is a strong acid liquid, colorless or light yellow, and highly corrosive.
Hydrochloric Acid must be stored in an airtight container, leaving 5% or more of the container's total volume empty.
www.dcchem.co.kr /english/product/p_basic/p_basic10.htm   (190 words)

  
 Diagnose-Me: Condition: Hydrochloric Acid Deficiency
Some people with low stomach acid have no symptoms that are obviously related, and are led to believe they are digesting properly, when they are not.
A trial using plant-based enzymes to enhance digestion demonstrated their additional benefit of improving hydrochloric acid production in those individuals who were hypochlorhydric.
It may enhance the production of hydrochloric acid in a manner that cannot be explained by it simply being an acid.
www.diagnose-me.com /cond/C42561.html   (931 words)

  
 Intravenous Hydrochloric Acid for Treatment of Bacterial Infection
Ferguson reported that very soon after an infusion of hydrochloric acid, there would be a marked increase in white cell count and in phagocytes; also that red cells had an increase in oxygen content.
Ferguson reported that in treating gonorrhea with bladder irrigations of 1 in 1,000 hydrochloric acid, he was able to get negative smears in two days with even more rapid relief from the symptoms of burning and pain.
It is suggested that if bacterial infections are again treated with infusions of hydrochloric acid, it will be found that there is no such thing as a bacterium resistant to hydrochloric acid.
www.tldp.com /issue/11_00/martin.htm   (1132 words)

  
 The Analyst - Internet Health Report: Treatment: Hydrochloric Acid (Trial)
It's important to note that hydrochloric acid should not be used at the same time as aspirin, Butazolidin, Inodicin, Motrin, or any other anti-inflammatory medication.
It is estimated that 80% of patients with food allergies suffer from some degree of impairment of hydrochloric acid secretion.
This can range from the complete absence of hydrochloric acid (achlorhydria) to a deficiency in the amount of hydrochloric acid secreted (hypochlorhydria).
www.digitalnaturopath.com /treat/T156177.html   (1277 words)

  
 Hydrochloric acid [factsheet]
Acute (short-term) inhalation exposure may cause coughing, hoarseness, inflammation and ulceration of the respiratory tract, chest pain, and pulmonary edema in humans.
These scores are nonlinear and are the product of two ratings: a rating based on the minimal-effect-dose and a rating based on the type of effect.
* In rats exposed to hydrochloric acid by inhalation, severe dyspnea, cyanosis, and altered estrus cycles have been reported in dams, and increased fetal mortality and decreased fetal weight have been reported in the offspring.
www.weblakes.com /toxic/HYDROCHLORIC_ACID.HTML   (863 words)

  
 Hydrochloric acid synthesis unit, steel pickling acid recovery, sulfonation plant
Except chemical equipments for industrial corrosion resistant, we are in position to offer a special chemical process know-how systems such as hydrochloric acid synthesis unit, production of HCl gas from hydrochloric acid absorption, exhaust HCl gas absorption unit, Zirconium oxychloride evaporator of outside circulation, acid recovery from metal pickling...
This is true particularly in those processes where chlorine gas is produced as a by-product or where hydrogen chloride or hydrochloric acid is required for on-site use.
High Purity HCl Gas is produced by distillation of hydrochloric acid solutions with a concentration of 25 - 35 % under pressure in a desorption system.
www.chequip.com /services.htm   (348 words)

  
 Medical Encyclopedia: Hydrochloric acid (Print Version)
Initial symptoms of hydrochloric acid poisoning may include pain in the mouth and under the breastbone, or persistent drooling.
Hoarseness and stridor (harsh sound in breathing caused by air passing through constricted air passages) may indicate injury to the larynx, epiglottis, or throat.
Drinking or inhaling hydrochloric acid may be fatal.
www.nlm.nih.gov /medlineplus/print/ency/article/002498.htm   (446 words)

  
 HYDROCHLORIC ACID (LESS THAN 10%)
Swallowing hydrochloric acid can cause immediate pain and burns of the mouth, throat, esophagus and gastrointestinal tract.
A strong mineral acid, concentrated hydrochloric acid is highly reactive with strong bases, metals, metal oxides, hydroxides, amines, carbonates and other alkaline materials.
Hydrochloric acid: Inhalation rat LC50: 3124 ppm/1H; Oral rabbit LD50: 900 mg/kg.
www.jtbaker.com /msds/englishhtml/h3883.htm   (1327 words)

  
 Hydrochloric Acid Recovery
With hydrochloric acid being used to treat the surfaces of many metals along with many other applications, being able to effectively recover the acid can yield significant financial rewards.
Beta Control specializes in recovering hydrochloric and other acids through their complete line of acid recovery systems.
A centrifugal pump forces the spent hydrochloric acid through a pre-filter and into the evaporator loop, comprised of the main exchanger and the separator.
www.cheresources.com /hclrecovery.shtml   (786 words)

  
 Hydrochloric Acid Regeneration
The pickling process evolved as a means to clean metal quickly, efficiently, and without surface damage to the metal.
In the early 1960’s, with the introduction of hydrochloric acid, the face of the pickling industry changed dramatically.
The essence of effective Hydrochloric Acid Regeneration is to clean the steel of contaminates while maintaining an effluent free system.
www.phoenixsystemsinc.com /hcl.htm   (299 words)

  
 Gastritis, Heartburn Support - Hydrochloric Acid (HCL)
Surprisingly, one of the most common age-related causes of impaired digestive function is the reduction of hydrochloric acid produced by the stomach.
Hydrochloric acid (HCL) is an important gastric secretion that enables the body to break down proteins, activate important enzymes and hormones, and protect against bacterial overgrowth in the gut.
(Certainly it would be preferable that our stomach production of hydrochloric acid and pepsin be restored on its own, but a reliable way to do this has not been found.) (11) Hydrochloric acid has been shown to support the conditions achlorhydria and hypochlorhydria.
www.smartbodyz.com /Gastritis-Heartburn-Hydrochloric-Acid-HCL.htm   (1435 words)

  
 Hydrochloric Acid - Products for Hydrochloric Acid - Manufacturers,Exporters,Suppliers,Traders,Companies,Factories   (Site not responding. Last check: 2007-10-12)
We are exporters of chemical form Pakistan, we have hydrochloric
We are the leading exporter of hydrochloric acid in Pakistan.
Mainly used in antacid medicine, neutrality hydrochloric acid in
www.alibaba.com /productsearch/Hydrochloric_Acid.html   (447 words)

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