黑龙江环境通报
黑龍江環境通報
흑룡강배경통보
HEILONGJIANG ENVIRONMENTAL JOURNAL
2013年
4期
21-23,29
,共4页
乙酰丙酮分光光度法%测定%甲醛%不确定度
乙酰丙酮分光光度法%測定%甲醛%不確定度
을선병동분광광도법%측정%갑철%불학정도
Acetylacetone spectrophotometry%Determination%Formaldehyde%Uncertainty
分析了应用乙酰丙酮分光光度法( HJ601-2011)测定废水中甲醛不确定度的来源,主要影响因素为标准溶液、拟合标准曲线、样品测定随机因素、分光光度计和取样体积五大部分。本次测量合成标准不确定度1.68%,其中由测定样品质量引入的不确定度为1.61%;由样品体积引入的不确定度为0.48%。测量结果为:2.08±0.07mg/L, k=2。
分析瞭應用乙酰丙酮分光光度法( HJ601-2011)測定廢水中甲醛不確定度的來源,主要影響因素為標準溶液、擬閤標準麯線、樣品測定隨機因素、分光光度計和取樣體積五大部分。本次測量閤成標準不確定度1.68%,其中由測定樣品質量引入的不確定度為1.61%;由樣品體積引入的不確定度為0.48%。測量結果為:2.08±0.07mg/L, k=2。
분석료응용을선병동분광광도법( HJ601-2011)측정폐수중갑철불학정도적래원,주요영향인소위표준용액、의합표준곡선、양품측정수궤인소、분광광도계화취양체적오대부분。본차측량합성표준불학정도1.68%,기중유측정양품질량인입적불학정도위1.61%;유양품체적인입적불학정도위0.48%。측량결과위:2.08±0.07mg/L, k=2。
The paper analyses the sources of uncertainty in determining formaldehyde in waste water with acetylacetone spectrophotometry (HJ601-2011) . Its main influencing factors are standard solution, standard curve fitting, random factors in samples determing, spectrophotometer and sampling volume. Combined stand-ard uncertainty of the measurement is 1. 68%, uncertainty of determination introduced by sample quality is 1. 61% and the uncertainty introduced by sample volume is0. 48%. The test result is:2. 08 ± 0. 07mg /L, k = 2 ( including probability is about 95%) .