化学分析计量
化學分析計量
화학분석계량
CHEMICAL ANALYSIS AND METERAGE
2015年
2期
26-28
,共3页
周淑晶%李长胜%关文碧%武晓丽%刘雪%马永强
週淑晶%李長勝%關文碧%武曉麗%劉雪%馬永彊
주숙정%리장성%관문벽%무효려%류설%마영강
1-(5-溴-1H-吲唑-1-基)乙酮%气相色谱法%含量测定
1-(5-溴-1H-吲唑-1-基)乙酮%氣相色譜法%含量測定
1-(5-추-1H-신서-1-기)을동%기상색보법%함량측정
1-(5-bromo-1H-indazol-1-yl)ethanone%gas chromatography%content determination
建立了测定1-(5-溴-1H-吲唑-1-基)乙酮纯度的气相色谱法。采用DB–5型色谱柱,程序升温,火焰光度检测器,外标法定量,1-(5-溴-1H-吲唑-1-基)乙酮在100~1000 mg/L范围内内线性关系良好,检出限为0.01 mg/L。测定结果的相对标准偏差为1.67%~1.89%(n=5),样品加标回收率为98.1%~107.9%。用该方法测定了自制的1-(5-溴-1H-吲唑-1-基)乙酮样品的纯度。该测定方法准确度高、专属性较强且灵敏度较高,适用于1-(5-溴-1H-吲唑-1-基)乙酮的质量控制。
建立瞭測定1-(5-溴-1H-吲唑-1-基)乙酮純度的氣相色譜法。採用DB–5型色譜柱,程序升溫,火燄光度檢測器,外標法定量,1-(5-溴-1H-吲唑-1-基)乙酮在100~1000 mg/L範圍內內線性關繫良好,檢齣限為0.01 mg/L。測定結果的相對標準偏差為1.67%~1.89%(n=5),樣品加標迴收率為98.1%~107.9%。用該方法測定瞭自製的1-(5-溴-1H-吲唑-1-基)乙酮樣品的純度。該測定方法準確度高、專屬性較彊且靈敏度較高,適用于1-(5-溴-1H-吲唑-1-基)乙酮的質量控製。
건립료측정1-(5-추-1H-신서-1-기)을동순도적기상색보법。채용DB–5형색보주,정서승온,화염광도검측기,외표법정량,1-(5-추-1H-신서-1-기)을동재100~1000 mg/L범위내내선성관계량호,검출한위0.01 mg/L。측정결과적상대표준편차위1.67%~1.89%(n=5),양품가표회수솔위98.1%~107.9%。용해방법측정료자제적1-(5-추-1H-신서-1-기)을동양품적순도。해측정방법준학도고、전속성교강차령민도교고,괄용우1-(5-추-1H-신서-1-기)을동적질량공제。
The method was set up to determine the purity of 1-(5-bromo-1H-indazol-1-yl)ethanone by gas chromatography. DB–5 column was used with program temperatured, FPD as the detector and external standard method was used as the quantitative method. 1-(5-bromo-1H-indazole-1-yl)ethanone had good linear relationship in the concentration range of 100–1 000 mg/L, the detection limit was 0.01 mg/L. RSD were 1.67%–1.89%(n=5), and the recoveries were 98.1%–107.9%. Self-made 1-(5-bromo-1H-indazol-1-yl)ethanone sample purity was determined by this method. The method is accurate, specific and high sensitive, it can be used for quality control of 1-(5-bromo-1H-indazol-1-yl)ethanone.