Taking a cue from the “Wash Me†messages scrawled on the back of delivery trucks, graffiti artists seek out soot covered surfaces and inscribe them with images, tags, and even advertising slogans using scrub brushes and pressure hoses. § 10-117. Defacement of property, possession, sale and display of aerosol spray paint cans, [and] broad tipped [...]
Continue Reading...i understand that the area has to be clean and grease free. i have a power washer for that. i also understand that the area has to be treated with an etching solution (acid). how is the acid applied to the area and does the acid get removed ? if it does have to be [...]
Continue Reading...I am etching a plate and I intend to use some ‘liquid soft ground’ to cover up my mistakes so they don’t etch in the acid in my printmaking class. In my printmaking class they used liquid hardground but I only have liquid softground at home…Will this work to keep those areas from being etched [...]
Continue Reading...on halogens: 8: The formula of a halogen acid used to etch glass is a)HCl b)HF c)HBr d)HI 9: The most stable of the following is a)HF b)HBr c)HI d)HCl 10: Bromine is freed from the bromine compounds in sea water by reaction with a)chlorine b)fluorine c)iodine d)radon 11: When chlorine water and carbon tetrachloride [...]
Continue Reading...I’ve heard of some safe ways to etch a plate without using acid. I was wondering if there is any way I could make safe prints at home without exhaust fans or health concerns, one that I can etch with, I have no problem etching something overnight or over a period of a few days. [...]
Continue Reading...Match the descriptions with the names and symbol/formula of a Group 7A(17) element/compound below. One answer is used more than once. Compound used as food additive to prevent goiter (thyroid disorder) Oxide used in bleaching paper pulp and textiles Naturally occurring source(ore) of flourine Organic chloride used to make plastics Weakest hydrohalic acid Element that [...]
Continue Reading...The directions for staining the concrete-cement on the paint can, is to clean it then etch it. So what I need to know is the best method for cleaning and also the proportion of muriatic acid to water for the etching process.. .
Continue Reading...10) Hydrofluoric acid is used to etch grooves in glass because it reacts with the silica (SiO2(s)) in glass. The products of the reactions are aqueous silicon tetrafluoride and water. What is the coefficient of water in the balanced equation for the reaction? (Balance the equa- tion with the smallest possible whole number coefficients.) 11) [...]
Continue Reading...I am attempting to acid stain my stamped concrete driveway. I have etched it with muriatic acid. Ihave nuetralized it with TSP. When I wet it with water the concrete stays white where armour all spray has been used on tires over the years. I know the acid stain will not penetrate these 8 area’s. [...]
Continue Reading...One reason for asking is that I want to etch my driveway with acid to clean it, but I don’t want the runoff to contaminate the neighborhood’s retention ponds. I’m hoping that the runoff goes into the sewer and not into the ponds.
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