GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||||
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06:19 Mar 21, 2011 |
Polish to English translations [PRO] Science - Paper / Paper Manufacturing | |||||||
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| Selected response from: Polangmar Poland Local time: 17:31 | ||||||
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Summary of answers provided | ||||
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4 | contact method |
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3 | flat-head electode method |
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flat-head electode method Explanation: .. -------------------------------------------------- Note added at 1 godz. (2011-03-21 07:57:48 GMT) -------------------------------------------------- http://cool.conservation-us.org/byorg/abbey/ap/ap04/ap04-1/a... |
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contact method Explanation: Surface pH was compared with cold extraction, and an effort was made to find the causes of discrepancies. "It is recommended that the amount of water used in making a surface pH measurement be kept at a minimum." (...) The author reviews the literature on the contact method of measuring pH, and presents conclusions from 15 older books tested for him at IPC and Chicago Paper Testing Lab. "Differences between the contact and the TAPPI cold extraction pH values were greatest when the buffering capacities were least.... The contact pH and TAPPI cold extraction pH values become more accurate estimators of the true pH as the age of the paper being tested increases. http://cool.conservation-us.org/byorg/abbey/ap/ap04/ap04-1/a... Contact pH measured with a flat glass electrode... ...a contact pH electrode (Pharmacia-LKB Biotechnology) was used to measure pH... http://tinyurl.com/4m3zgdx A Comparison of Paper in Identical Copies of Books ...basis on which to evaluate the applicability of contact pH measurement to... http://tinyurl.com/4steo27 |
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