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If 30ppm means 30mg in 1kg it means that 30ppm is equal to 0.03g in 1kg therefore equivalent to 0.03ml in 1L Does this mean that the concentration in moleL is 0.03?
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∙ 12y ago
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∙ 12y ago
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What is the concentration of phosphate which injecting in boiler feed water as a descaler?
Phosphate(PO4) is basically reacts with mineral dissolved salts in water and percipitates at high temperature. Generally we maintain 10 - 30ppm PO4 inside steam drum to avoidany deposition.
What is the Ppm of salt in ocean water?
>30ppm in 100g =? mcg in 1g
If water hardness is1000ppm then how much quantity of ethylene diamine tetra acetic acid is requried to make hardness of water 30ppm?
55 Ml.
What is the function of a Canon Pixma MP600?
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Would chlorine kill you when you brethed it in once?
It would have to be highly concentrated - above 1,000ppm. At these levels, a few deep breaths would be fatal. Generally, any levels above 30ppm will cause respiratory irritation and increasing symptoms. The poisoning occurs when the chlorine reacts with water within the body to form hydrochloric acid, which will very quickly lead to systemic acidosis in high levels.
How many pages does a band printer prints in one minute?
It depends on the model of course, but 10 to 15 pages per minute on wide-carriage tractor-feed paper was fairly normal when I was at school. They weren't the fastest line printers available, which could approach 30ppm, but it was a fairly popular design. Speed wise they were a great deal faster than most modern inkjet printers, but there are a number of high-end laser printers that are a good deal faster.
What is the tolerance level of the mycotoxin Zearalenone in cattle feed?
There is no established tolerance limit for Zearalenone, but because it is produced by a fusarium, I would say the limits should be similar to vomitoxin (also produced by a fusarium. Acceptable vomitoxin levels in the corn ranges from 5-100ppm depending on species. Just to give an idea, acceptable levels in the corn are 20ppm for swine, 30ppm for breeding cattle/poultry, 60ppm for slaughter cattle, and 100ppm for slaughter poultry. For accepted level in finished feed product, cut those numbers in half.
What printer can you use with an apple iMac?
THE BEST PRINTER FOR AN iMAC IS CALLED "CANON PIXMA iP2600" AND THE PRICE RANGE IS BETWEEN $50-$60 SO IS REALLY INEXPENSIVE FOR STUDENTS AND PEOPLE THAT JUST WANT A PRINTER I use a Brother HL-5240. It's a USB printer so it just plugs into the side of the iMac, it speaks PostScript so you get the best looking output, it's reasonably inexpensive at $200, and the toner cartridges it uses last a long time. Plus, it's very fast at max print speed of 30ppm.
What is the best way to convert a pool from bacquicil product to chlorine?
That is not an easy answer but here goes! Baqualcil is not compatible with chlorine in any way shape or form so the best thing to do if you biguinide level is above 30ppm is to ride it down let if go until the level is 30ppm or lower. Take you pool water to a pool store and have it professionally analyzed. Once you are at that point you want to shock the pool with 3 pounds of monopersulfate per 10,000 gallons of pool water 3 days in a row. Then have the water check again at the pool store to make sure your level is below 10ppm. Once this is done add 3 pounds of calcium hypochlorite per 10,000 gallons of pool water. Make sure the shock is at least 65% available chlorine or higher. The pool will turn green do no panic! Next, if you have a sand filter, change the sand in the filter. If you have a DE filter use a chemical cleaner that is designed to clean biquinide filters, if you have a cartridge filter do the same as a DE filter. Now it is time to start using chlorine tablets. Keep in mind that every time you shock the pool for the next 2-3 times the pool will turn a light green then go to blue overnight this will slow go away over time.
Can you use cholorine in a baquacil pool?
Baquacil and Chlorine are not compatible and if added will turn the water green and throw off all of the other readings. The product that can be used to fix this is called Baquacil Chlorine Neutralizer. You also have to change the sand in your pump, or it will gum up
How did the formaldehyde applied in textile?
While garment is in resin finish, the formaldehyde is widely used. In order to reach the crease resistant, shrink resistant and flame resistant properties, or in order to keep the durability of printing and dyeing, or in order to improve the hand feel, the formaldehyde is need to join the finish while producing the garment fabric.Now pure cotton fabric need formaldehyde dye auxiliaries most, because the pure cotton wrinkle easily, using formaldehyde auxiliaries can improve the stiffness of cotton fabric, that will achieve the non-ironing and wrinkle resistant properties. While people wearing and using the fabric which contain formaldehyde, the fabric will release free formaldehyde gradually, then the formaldehyde can cause airway inflammation and scytitis through respiratory or skin contact, the formaldehyde will also irritating to eyes. The formaldehyde can cause irritability or even cancer. The manufacture using dyeing auxiliaries, especially some manufactures use the high formaldehyde agent in order to reduce the cost, is very harmful to human body.Applications of formaldehydeFormaldehyde is a general chemical production which is widely used, easy produced and raw material adequate supplied, it can be used for disinfection, sterilization,preservative, and also used in kinds of industries as organic synthesis, synthetic material, coating, rubber, pesticide etc, its derivative products mainly including paraformaldehyde, polyformaldehyde, phenolic resin, urea formaldehyde resin, amino resin, Urotropine and Polyols etc.. Artificial board industry is well developed, it need a large amount of formaldehyde.Formaldehyde got a wide application, it is in the course of producing synthetic resin, surfactant, plastics, rubber, leather, paper making, dyes, pharmaceuticals, pesticides, photographic film, explosives, construction materials and disinfection, fumigation, anti-corrosion, the formaldehyde is a generalist in chemical industry, but anything must got a limit and a standard, once it is over the limit, it will bring harm.According to experts, Chinese researchers have developed non-formaldehyde wash and wear finisher, and non-formaldehyde environment-friendly urea-formaldehyde resin, while they are not mass-produced, the main reason is high cost, thus, the cheap price block the formaldehyde alternative process.The Formaldehyde Limit in Textile Dyeing AuxiliaryAbout formaldehyde, Chinese standard GB18401 got a clear and strict regulation to all kind of garment.The fabric auxiliary which contain formaldehyde content larger than 30ppm should not have contact to skin, any fabric auxiliary formaldehyde content should not larger than 300ppm, such as wool protective agent, solid color punishment, crosslinking agent, adhesive etc..Limit the formaldehyde content which is dissociative or part hydrolysable, make sure the formaldehyde content which is dissociative or part hydrolysable to the skin contact fabric formaldehyde content should not over 30ppm, and for other fabric should not over 300ppm.Heavy metallic salt (except iron) or formaldehyde cannot be used as decolourizing agent or fadeometer in fabric.By YULONG Tex
What are the advantages and disadvantages of using HFO-1234yf refrigerant in automobiles?
advantages: - Will help to reduce emissions of high Global Warming Potential Hydrofluorocarbon 134a refrigerant currently used in Mobile Air Conditioning Systems (MACS), due to the short atmospheric lifetime and extremely rapid breakdown of the gas in the environment; - (for DuPont and Honeywell shareholders) May yield windfall profits if policymakers are duped into believing that R-1234yf is a better solution than hydrocarbon refrigerants; - Should build greater acceptance of flammable refrigerants in MACS, and enable environmentally benign, highly effective, safe and cheaper natural hydrocarbon refrigerants to compete on a more level playing field. disadvantages: - Will be extremely expensive; -Is very complicated and energy intensive to produce, and is highly likely to be only produced by DuPont and Honeywell, who have made it very clear they expect to make substantial profits from the introduction of this gas; - Has unknown environmental impacts from degradation by-products, including Trifluoroacetic Acid (TFA), likely to include increasing toxicity in inland lakes, and a possible contribution to oceanic acidity levels; - When burnt, or exposed to heat, degrades into extremely toxic by-products of thermal decomposition, including hydrogen fluoride, lethal to humans at concentrations as small as 30ppm, and carbonyl halides, or phosgene, popularly known as nerve gas; - Is highly likely to result in severe injury and fatalities of vehicle occupants and emergency service workers from engine bay fires, and from anyone exposed to fumes from such fires that may occur in enclosed spaces such as underground carparks or tunnels; - When burnt, may also lead to the production of the very high GWP and extremely long lived greenhouse gas CF4; - Is providing a significant distraction from the availability of hydrocarbon refrigerants, by far the most suitable solution to the problem of high emissions of HFC134a.
