G ay ▁writers ▁Category : Lambda ▁Liter ary ▁Award ▁w inners ▁Category : L iving ▁people ▁Category : L GB T ▁journal ists ▁from ▁Canada ▁Category : L GB T ▁writers ▁from ▁Canada ▁Category : W rit ers ▁from ▁Montreal ▁Category : Year ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : Can ad ian ▁magazine ▁writers <0x0A> </s> ▁The ▁qu in h yd r one ▁electro de ▁may ▁be ▁ ▁used ▁to ▁measure ▁the ▁hydro gen ▁ion ▁concentration ▁( p H ) ▁of ▁a ▁solution ▁ ▁containing ▁an ▁acid ic ▁subst ance . ▁▁▁ ▁A ▁plat in um ▁wire ▁electro de ▁is ▁imm ers ed ▁in ▁a ▁s atur ated ▁a que ous ▁solution ▁of ▁qu in h yd r one , ▁in ▁which ▁there ▁is ▁the ▁following ▁equilibrium ▁▁▁▁▁ ▁+ ▁ 2 H + ▁+ 2 e − . ▁ ▁The ▁potential ▁difference ▁between ▁the ▁plat in um ▁electro de ▁and ▁a ▁reference ▁electro de ▁is ▁dependent ▁on ▁the ▁activity , ▁, ▁of ▁hydro gen ▁ ions ▁in ▁the ▁solution . ▁▁▁ ▁( N ern st ▁equation ) ▁ ▁The ▁qu in h yd r one ▁electro de ▁provides ▁an ▁alternative ▁to ▁the ▁most ▁commonly ▁used ▁glass ▁electro de . ▁however , ▁it ▁is ▁not ▁reliable ▁above ▁p H ▁ 8 ▁and ▁cannot ▁be ▁used ▁with ▁solutions ▁that ▁contain ▁a ▁strong ▁ox id izing ▁or ▁reducing ▁agent . ▁ ▁References ▁▁ ▁Category : E lect ro anal yt ical ▁chem istry ▁devices ▁Category : E lect ro des <0x0A> </s>