[Soda Ash Knowledge] Daily Question (40) 11/12/2009
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Please hide the reply; no scoring will be given in principle if it is not hidden. Specific hiding method: http://bbs.hcbbs.com/viewthread.php?tid=492556&highlight=%D2%FE%B2%D8 Posts that have been edited are not rated. (The question for this issue is taken from page 75 of \"Technical Worker Training Question Bank – Soda Ash Production Operators.\" An electronic version of this book is available for download in the soda ash information sharing area at http://bbs.hcbbs.com/thread-13140-1-2.html) Short answer: Why must silver nitrate standard solution be stored in a brown bottle?
Silver nitrate decomposes easily when exposed to light, forming a brown precipitate of silver oxide, which changes the concentration of the solution; therefore, it needs to be stored in a brown bottle. 1# chen3jun
Why must the silver nitrate standard solution be stored in a brown bottle? Answer: Silver nitrate decomposes easily when exposed to light, resulting in the formation of brown silver oxide precipitate, which changes the concentration of the solution; therefore, it needs to be stored in a brown bottle.
Silver nitrate solution decomposes when exposed to light, breaking down into black silver; concentrated hydrochloric acid does not decompose, which is why it is stored in brown reagent bottles. 2AgNO3＝＝＝2Ag+2NO2+O2. All nitrates exhibit this behavior – they are unstable when heated.
Silver nitrate decomposes easily when exposed to light, forming a brown precipitate of silver oxide, which alters the concentration of the solution; therefore, it must be stored in a brown bottle.
Silver nitrate decomposes easily when exposed to light, resulting in the formation of a brown silver oxide precipitate, which alters the concentration of the solution; therefore, it must be stored in a brown bottle.
Since silver nitrate deteriorates when exposed to light and decomposes easily when heated, it must be stored in brown reagent bottles in a cool place. However, even a brown bottle allows light to pass through, though the decomposition process slows down.
Silver nitrate decomposes easily when exposed to light, resulting in the formation of a brown silver oxide precipitate, which alters the concentration of the solution; therefore, it must be stored in a brown bottle.
Silver nitrate decomposes easily when exposed to light, forming a brown precipitate of silver oxide, which alters the concentration of the solution; therefore, it is stored in brown bottles.
Try to avoid the formation of silver oxide precipitates
Silver nitrate decomposes easily when exposed to light, forming a brown precipitate of silver oxide, which changes the concentration of the solution; therefore, it needs to be stored in a brown bottle