Description: For reference:The six pictures of the Tucker newspaper ad show the untreated original, first and second. Next two, treated with spray, to moistened paper, in the middle. The final two, dried paper, showing no appreciable difference. The newspaper is sitting on a thin clear piece of clean plexiglass and allowed to air dry.. Note: Minor water staining on the original can be reduced or eliminated as the water spreads and dissipates minor staining. This may be observed on the bottom right of the original compared to the dried, treated, paper. A satisfactory result, shown as an example. Dr. Kristoff’s Solution A Deacidification / Neutralization Spray for Paper Conservation. You don’t need high priced products like “Bookkeeper” to deacidify your paper items! This aqueous solution can be used on any paper products, such as, newspapers, cards, letters, manuscripts, clippings, cardboard, etc. Not recommended for glossy or coated papers, results will vary. This is a simple, safe and economical method, using a saturated solution of calcium hydroxide, Ca(OH)2. This has wide acceptance in paper conservation. The measured pH is reported as 12. Volume is 325 ml (12 fluid ounces). The calcium hydroxide used is ACS Reagent Grade, 99.9% pure, solution concentration is 0.025 molar, prepared in distilled water. Simply spray on to moisten and let to completely air dry, leaving the item undisturbed. Always test a small sample area, first, to observe if results are satisfactory. Insure the treated item always has a suitable support backing that will prevent sticking. This solution does not have an expiration date as this should be good for many years, stored at room temperature. This solution is, however, non-toxic and virtually harmless, if used as directed. Calcium hydroxide is commonly used by Dentists, as an antimicrobial. This product is environmentally friendly and conforms to ASTM D-4236. This is non-flammable, contains no CFC’s, solvents (other than distilled water), or forever chemicals. There is no liability expressed or implied with the use of this product. Achem,Tucson, AZ. Made in the USA.Prepared by an American Ph.D. Chemist.
Price: 28.5 USD
Location: Tucson, Arizona
End Time: 2024-11-29T12:50:52.000Z
Shipping Cost: 0 USD
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