humidity cell testing

09:15 May 17, 2013
This question was closed without grading. Reason: Errant question

English to Serbian translations [Non-PRO]
Science - Physics / kinetic testing
English term or phrase: humidity cell testing
moja rečenica glasi:
Column tests are recommended over humidity cell tests for all aerially exposed mined materials, including natural on-site construction materials, with the exception of tailings.
A ovde ima objašnjenje kakvo je to ispitivanje:
http://www.sgs.com/~/media/Global/Documents/Flyers and Leafl...
milenaankic
Australia
Local time: 19:01


Summary of answers provided
4 +1test (standardne) ćelije vlažnosti
Mirjana Svicevic
4 +1ispitivanje ćelije vlažnosti
anatos
5 -1Ispitivanja vlažnosti ćelije
Boban Stevanovski
Summary of reference entries provided
Humidity cells
Mira Stepanovic

Discussion entries: 2





  

Answers


13 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
test (standardne) ćelije vlažnosti


Explanation:

http://www.sgs.rs/sr-Latn-CS/Sustainability/Facilities-and-P...


    Reference: http://www.astm.org/Standards/D5744.htm
Mirjana Svicevic
Serbia
Local time: 09:01
Native speaker of: Native in SerbianSerbian
Notes to answerer
Asker: hvala


Peer comments on this answer (and responses from the answerer)
agree  Boban Stevanovski: Ispitivanja vlažnosti ćelija
1 day 22 hrs
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1 hr   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
ispitivanje ćelije vlažnosti


Explanation:
http://www.sgs.rs/en/Construction/Services-Related-to-Materi...


    Reference: http://www.sgs.rs/en/Construction/Services-Related-to-Materi...
anatos
Local time: 09:01
Native speaker of: Native in SerbianSerbian
Notes to answerer
Asker: hvala


Peer comments on this answer (and responses from the answerer)
agree  Boban Stevanovski: Ispitivanja vlažnosti ćelija
1 day 21 hrs
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1 day 23 hrs   confidence: Answerer confidence 5/5 peer agreement (net): -1
Ispitivanja vlažnosti ćelije


Explanation:
Ispitivanja vlažnosti ćelija

Boban Stevanovski
Local time: 09:01
Native speaker of: Native in MacedonianMacedonian, Native in SerbianSerbian
Notes to answerer
Asker: Ne ispituje se vlažnost ćelija, već se u specijalnim ćelijama ispituje sklonost stenske mase da u njoj , u slučaju izloženosti vlažnosti, dođe do stvaranja kiselina.


Peer comments on this answer (and responses from the answerer)
disagree  Mira Stepanovic: http://www.sgs.rs/sr-Latn-CS/Sustainability/Facilities-and-P... Testovi ćelije vlažnosti su osmišljeni da oponašaju trošenje usled vremena u razmerama...
23 hrs
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Reference comments


8 days
Reference: Humidity cells

Reference information:
http://ecorestoration.montana.edu/mineland/guide/prediction/...
Technologies for Prediction
TECH GUIDE

Laboratory Methods: Kinetic Geochemical Testing: Humidity Cells

Humidity (weathering) cells are a common kinetic test that alternately purges a sample with humid air and ambient humidity creating a humid environment conducive to pyrite oxidation. Crushed rock samples from various overburden locations at a particular mine site are placed in plastic chambers that are connected by tubing to a reservoir from which humid air is pumped. During the moist air cycle, wet conditions are maintained in the particle pore spaces. Oxidation of sulfides occurs but oxidation products generally remain dissolved in the pore water immediately adjacent to the particle. Any acidic pore water in the vicinity of acid neutralizing minerals reacts with these minerals. During the dry air cycle, pore water evaporates. This leads to concentration of dissolved ions in the pores and probable precipitation of salts on particle surfaces. Hydrated precipitates may partially dehydrate and stabilize (e.g. Fe(OH)3 � FeOOH + H2O). Water is periodically added to the chambers allowing oxidation products formed during the wet/dry cycle to dissolve and come into contact with neutralizing minerals. The leachate is then extracted and analyzed (MEND, 2000).

Humidity cells are intended to provide a direct measurement of acid generation and consumption rates under fully oxygenated conditions such as the immediate exposed surface of a tailings deposit. However, they do not provide a simulation of leaching conditions in wastes which may be partially or fully saturated and oxygen-deprived. Leaching columns are generally set up to address these issues.

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Note added at 8 days (2013-05-25 13:37:25 GMT)
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Da, ja mislim da je upravo tako, (plastic chambers) i ostavila bih "ćelije vlažnosti". Ovaj tekst je očigledno pisan za stručnjake iz date oblasti, oni će svakao znati o čemu se radi. :-)

Mira Stepanovic
Serbia
Specializes in field
Native speaker of: Native in SerbianSerbian, Native in Serbo-CroatSerbo-Croat
PRO pts in category: 8
Note to reference poster
Asker: Hvala. Da li mislite da se cell ovde odnosi na metod, a ne na objekat? Tj. da li bi bilo ispravno reći da se radi o ispitivanju stenske mase u ćelijama?

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