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2006•Trace Elements ScienceRequires access

Discoloring Spectrophotometric Determination of Trace Nitrite by HBPCF in Water

Zhijun Xu

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Abstract

The decolour reaction of HBPCF by oxidation of nitrite in the sulfuric acid medium in the presence of CTMAB,a new discoloring spectrophotometric method for determination of trace nitrite was reported.λ_(max)=520 nm,the apparent molar absorption coefficient is 3.1×10~4 L·mol~(-1)·cm~(-1),the linear range for determination of nitrite is 0～2.1 μg/mL.The method was applied to the determination of trace nitrite in water with satisfactory results.

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The decolour reaction of HBPCF by oxidation of nitrite in the sulfuric acid medium in the presence of CTMAB,a new discoloring spectrophotometric method for determination of trace nitrite was reported.λ_(max)=520 nm,the apparent molar absorption coefficient is 3.1×10~4 L·mol~(-1)·cm~(-1),the linear range for determination of nitrite is 0～2.1 μg/mL.The method was applied to the determination of trace nitrite in water with satisfactory results.

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Available abstract

The decolour reaction of HBPCF by oxidation of nitrite in the sulfuric acid medium in the presence of CTMAB,a new discoloring spectrophotometric method for determination of trace nitrite was reported.λ_(max)=520 nm,the apparent molar absorption coefficient is 3.1×10~4 L·mol~(-1)·cm~(-1),the linear range for determination of nitrite is 0～2.1 μg/mL.The method was applied to the determination of trace nitrite in water with satisfactory results.

Key concepts: Nitrite, Chemistry, Sulfuric acid, TRACE (psycholinguistics), Trace Amounts, Spectrophotometry, Linear range, Molar absorptivity

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