6 Organic Compound Mix Solution in Ethyl acetate, 50μg/mL
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16 Organic Compound Mix Solution in Ethyl acetate, 50μg/mL
1ST82530-50E | 1mL(以酸计)
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6 Organic Compound Mix Solution in Ethyl acetate, 1000μg/mL
1ST82531-1000E | 1mL(以酸计)
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6 Organic Compound Mix Solution in Methanol, 50μg/mL
1ST82531-50M | 1mL(以酸计)
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18 Organic Compound Mix Solution in Ethyl acetate, 1000μg/mL
1ST82548-1000E | 1mL
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3 Organic Compound Mix Solution in Ethyl acetate, 100μg/mL
1ST200124-100E | 1mL
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7 Organic Compound Mix Solution in Ethyl acetate,1000μg/mL
1ST82730-1000E | 1mL
-
16 Organic Compound Mix Solution in Ethyl acetate, 1000μg/mL
1ST82530-1000E | 1mL(以酸计)
您正在浏览的产品:乙酸乙酯中6种有机物混标溶液(GB 31604.29-2023 附录A&附录D第二部分,以酸计),50μg/mL
手机版:乙酸乙酯中6种有机物混标溶液(GB 31604.29-2023 附录A&附录D第二部分,以酸计),50μg/mL
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2. 覆盖6种目标有机物:乙酸、丙酸、异丁酸、丁酸、异戊酸、戊酸
3. 涵盖迁移试验和残留量检测两种场景
4. 适用于水性、酸性、酒精类食品模拟物体系
1. 色谱柱:聚乙二醇(PEG)固定相毛细管柱(30m×0.32mm×0.5μm)
2. 检测器:氢火焰离子化检测器(FID)
3. 载气:高纯氮气(≥99.999%)
4. 程序升温:初始40℃(保持5min)→10℃/min→220℃(保持5min)
5. 进样方式:分流进样(分流比10:1)
2. 加标回收:每10个样品做1组加标回收(加标浓度0.5-2倍定量限)
3. 平行样:每组样品至少20%平行双样测定
4. 标准曲线:至少5个浓度点(含定量限),相关系数R²≥0.995
5. 标准物质:使用有证标准物质(如乙酸酯中6种混标溶液)