dimethyldithiocarbamic acid copper salt water heater

Copper in heat exchangers

Other desirable properties of copper in heat exchangers include its corrosion resistance biofouling resistance maximum allowable stress and internal pressure creep rupture strength fatigue strength hardness thermal expansion specific heat antimicrobial properties tensile strength yield strength high melting point alloyability ease of fabrication and ease of joining

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How do i get rid of acid water eating my copper house

23 03 2008My house uses water for heating I replaced all of the copper plumbing this year I also replaced the coils in the heater with new ones since the copper had sprung leaks I've put in a water softener I just found that the year old copper coils are leaking again Short of dumping this system which i really can't afford to what can I do? Is there something that can be added to the salt

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Overall Heat Transfer Coefficients for Fluids

Example - Water to Air Heat Exchanger made in Copper A roughly estimate of the specific heat transmission in a copper heat exchanger with water (mean temperature 80 o C) on one side and air (mean temperature 20 o C) on the other side - where the overall heat transfer coefficient U is 13 1 W/(m 2 K) - can be calculated as q = (13 1 W/(m 2 K)) ((80 o C) - (20 o C)) = 786 W/m 2 ≈

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Marine: Guidelines For the Use of Copper Alloys In

Velocity guidelines for copper alloys in seawater Condensers and heat exchangers Minimum velocity-any tube any alloy 3 fps (0 9 m/s) Note: It is necessary to keep the minimum velocity in any tube above 3 fps (0 9 m/s) at the lowest heat transfer demand anticipated so that sediment and particulate matter will be swept through and not deposited in the tube

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CAUSES OF COPPER CORROSION IN PLUMBING SYSTEMS

water or because of the release of particulate matter from loosely adherent copper corrosion products Blue water may be produced if the dissolved copper concentration is above 1 5 mg/L However it is more commonly produced due to particles of insoluble copper corrosion products in the water i e copper hydroxide

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Electrolytic Copper Plating Additives and Contaminants

Typical DC Acid Copper Electroplating Solution contains: Inorganic • Sulfuric Acid (180 - 250 g/l) • Copper Sulfate (40 - 100 g/l) • Hydrochloric Acid (25 - 100 mg/l) Organic • Brightener (2 - 10 mls/l) • Leveler (5 - 15 mls/l) • Carrier (25 - 100 mls/l) Water (Balance) 3 Electrolyte Control Sulfuric Acid – Virtually unconsumedDragout Titration or Specific Gravity

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Top 9 Causes of Copper Corrosion in Home Piping

In plumbing systems corrosion is due to physical and chemical reactions between the pipe material and water Top 9 Causes Of Copper Corrosion Problems 1 Low pH (acid water less than 7 0) 2 High pH (alkaline water greater than 8 5) 3 High levels of dissolved oxygen 4 High levels of salts dissolved in the water (total dissolved solids) 5

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Preventing Scale in Tankless Water Heaters

Acidic water will cause pinholing in copper piping (and copper heat exchangers) and can also cause blue or green staining of clothes as metal is eroded from your plumbing system or appliances How fast acidic water will damage a tankless water heater or other appliance is dependant on the level of Ph in the water In short yes acid water will damage a tankless water heater

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How to Make electricity from copper zinc and water

Check out this kitchen table science experiment on how to make electricity from copper zinc and water You can make your own battery to power a small LED light from just nails copper wire and water You will need copper wire zinc (in the form of galvanized nails) a multimeter water a glass and an LED light Sunny5Rising sure knows his stuff!

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Guide to the Suitability of Copper with Various Chemicals

mainly acids Table 1 Suitability of copper with various chemical substances B Chromic Acid D Oxalic Acid B Cider A Oxygen ** A Citric Acid C Oxygenated Water D Coffee A Palmitic Acid * A Copper Chloride C Paraffin Wax B Copper Nitrate C Phosphoric Acid A Copper Sulphate B Potash B Corn Oil * A Potassium Carbonate A Cottonseed Oil * A Potassium Chloride B

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GCSE CHEMISTRY

Most chemical reactions are exothermic Some examples are listed below 1) The combustion of methane (natural gas) is highly exothermic (it gives out a lot of heat) 2) Most neutralisation reactions are exothermic 3) Adding concentrated sulfuric acid to water is highly exothermic 4) Adding water to anhydrous copper(II) sulfate is exothermic

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How to Fix Common Saltwater Pool Problems

Nope that is not salt You probably have copper in your pool water Copper mix with chlorine to form a green solution that will tint hair green Copper can get into your pool if you use a Well fill water or tap water with copper for your pool or using hair products with copper Use metal removers like Metal Magic to remove copper through your

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Copper

Corrosion Resistance to Salt Water: Heat Exchanger Tubes: Mechanical Properties: Moderate Strength: Applicable Specifications Form Sub-Form Specific Sub-Form System Standard Description Condenser Heat Exchanger Tube with Integral Fins: ASME: SB956: Tube Welded Condenser Heat Exchanger w/ Integral Fins: Welded: ASTM: B956/B956M: WELDED COPPER AND COPPER-ALLOY CONDENSER AND HEAT

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Treatment of Calcium Deposits in Water Heaters

Treatment of Calcium Deposits in Water Heaters By Top of the water heater Clean sediment by adding vinegar or commercial acid and flush You should check your water heater first to determine how much calcium deposits are in the heater or if it is just sediment Turn the heater and the cold water supply off Place a water hose to the drain valve and keep the rest

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High Quality (and Safe) Copper Plating : 8 Steps (with

The hydrogen peroxide will cause the copper to oxidize quickly which then allows the copper to react with the acetic acid rapidly Heat the mixture in the microwave until it steams gently This took about 1 minute 45 seconds for me

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Out Of the Box DIY: How to clear mineral

As a typical water heater is about 40 gallons and since vinegar is $2 00-2 50 a gallon filling both the pipes and the water heater with the solution I suggested will run you about $40 00-50 00 in vinegar costs and the heater rarely gets clogged I suggest doing just the pipes to keep costs down (most of the readers here are very frugally oriented) buying 2-3 gallons rather than 25 or

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everyday chemistry

Because there was acetic acid vapor in the atmosphere of the closed bottle the acid reacted further with the $ce{Cu(II)}$ oxide creating $ce{Cu(II)}$ acetate and water The removal of $ce{CuO}$ therefore pressed the oxidation reaction to proceed forward making more $ce{CuO}$ and then $ce{Cu(II)}$ acetate As a result the upper part of the copper wire

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Top 9 Causes of Copper Corrosion in Home Piping

In plumbing systems corrosion is due to physical and chemical reactions between the pipe material and water Top 9 Causes Of Copper Corrosion Problems 1 Low pH (acid water less than 7 0) 2 High pH (alkaline water greater than 8 5) 3 High levels of dissolved oxygen 4 High levels of salts dissolved in the water (total dissolved solids) 5

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Electrolytic Copper Plating Additives and Contaminants

Typical DC Acid Copper Electroplating Solution contains: Inorganic • Sulfuric Acid (180 - 250 g/l) • Copper Sulfate (40 - 100 g/l) • Hydrochloric Acid (25 - 100 mg/l) Organic • Brightener (2 - 10 mls/l) • Leveler (5 - 15 mls/l) • Carrier (25 - 100 mls/l) Water (Balance) 3 Electrolyte Control Sulfuric Acid – Virtually unconsumedDragout Titration or Specific Gravity

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Problems of iron and copper in pool water

The presence of metal such as manganese iron and copper in pool water can lead to discolor the water when chlorine or any other oxidizer is added It does not affect on the clarity of the water too much Magnesium and manganese can also increase the hardness of the water The metal may enter in pool water through by chemicals pool equipment and plumbing or poles

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