Ads
related to: white paper bleaching methods for cleaning concrete steps and stones near metemu.com has been visited by 1M+ users in the past month
Search results
Results from the WOW.Com Content Network
The table shows how the two systems rate high-brightness papers, but there is no simple way to convert between the two systems because the test methods are so different. [4] The ISO rating is higher and can be over 100. This is because contemporary white paper incorporates fluorescent whitening agents (FWA). Because the ISO standard only ...
It does not use elemental chlorine gas during the bleaching process and prevents the formation of dioxins and dioxin-like compounds, carcinogens. The traditional ECF sequence is DEopDEpD [ 1 ] : 14 using the common letter symbols for bleaching stages, [ 2 ] though many improved sequences are available.
The pulp produced up to this point in the process can be bleached to produce a white paper product. The chemicals used to bleach pulp have been a source of environmental concern, and recently the pulp industry has been using alternatives to chlorine, such as chlorine dioxide, oxygen, ozone and hydrogen peroxide.
Near the end of the nineteenth century, E. S. Smith patented the chloralkali process: a method of producing sodium hypochlorite involving the electrolysis of brine to produce sodium hydroxide and chlorine gas, which then mixed to form sodium hypochlorite. [35] [33] [36] The key reactions are: 2 Cl − → Cl 2 + 2 e − (at the anode)
If you are cleaning stone floors (marble, granite, travertine, etc.), make sure the cleaning agent states that it is for stones. An acidic tile cleaning solution can be used on ceramic and porcelain floors; After spraying the tile or stone floors in a small area, use a mop to clean and scrub floors. Then wipe it with dry cloth.
Pages in category "Cleaning methods" The following 29 pages are in this category, out of 29 total. This list may not reflect recent changes. A. Acoustic cleaning; B.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Hydrogen peroxide is a chemical compound with the formula H 2 O 2.In its pure form, it is a very pale blue [5] liquid that is slightly more viscous than water.It is used as an oxidizer, bleaching agent, and antiseptic, usually as a dilute solution (3%–6% by weight) in water for consumer use and in higher concentrations for industrial use.
Ads
related to: white paper bleaching methods for cleaning concrete steps and stones near metemu.com has been visited by 1M+ users in the past month