乙腈中甲基丙烯醛-DNPH(以醛酮计)溶液标准物质/HJ 683-2014 Methyl acrolein -DNPH (by aldehydes and ketones) solution in acetonitrile
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Methyl acrolein-DNPH (by aldehydes and ketones) solution in Acetonitrile
BWQ8684-2016 | 1.2mL
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乙腈中苯甲醛-DNPH(以醛酮计)溶液标准物质/HJ 997-2018/HJ 683-2014 Benzaldehyde-DNPH (aldehydes and Ketones) solution reference material in Acetonitrile
BWQ8752-2016 | 1.2mL
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乙腈中丙烯醛-DNPH(以醛酮计)溶液标准物质/HJ/T 400-2007 Standard substance of acrolein-DNPH (aldehydes and Ketones) solution in Acetonitrile
BWQ8712-2016 | 1.2mL
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乙腈中丁烯醛-DNPH(以醛酮计)溶液标准物质/HJ/T 400-2007 Butanol -DNPH in acetonitrile (calculated by aldehyde and ketone)
BWQ8706-2016 | 1.2mL
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乙腈中对甲基苯甲醛-DNPH(以醛酮计)溶液标准物质/HJ 997-2018/HJ 683-2014 Standard substance for p-methylbenzaldehyde-DNPH (ALDEHYDES and Ketones) solution in Acetonitrile
BWQ8690-2016 | 1.2mL
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乙腈中丁烯醛-DNPH(以醛酮计)溶液标准物质/SN/T 5321-2021 Butanol -DNPH in acetonitrile (calculated by aldehyde and ketone)
BWQ8705-2016 | 1.2mL
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乙腈中2-丁酮-DNPH(以醛酮计)溶液标准物质/HJ 997-2018/HJ 683-2014/HJ 1154-2020 Reference material of 2-butanone-DNPH (aldehydes and Ketones) solution in Acetonitrile
BWQ8702-2016 | 1.2mL
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2. 40℃水浴反应60分钟;
3. 乙腈萃取后经无水硫酸钠脱水;
4. 氮吹浓缩至1ml后进样分析[7][9]。
以上信息仅供参考,请以相应标准的原文为准!