a,a'-Dibromo-m-xylene Solution 100 ug/ml in Hexane CAS:626-15-3
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a,a'-Dibromo-m-xylene Solution
ZCS-S-10990J1-1ML | 1ML
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a,a-Dibromo-m-xylene
N-10990-100MG | 见证书
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a,a-Dichlorotoluene Solution 100 ug/ml in Hexane CAS:98-87-3
S-10986J1-1ML | 1ML
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a,a,a-Trichlorotoluene Solution 100 ug/ml in Hexane CAS:98-07-7
S-10988J1-1ML | 1ML
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a-Endosulfan Solution 100 ug/ml in Hexane CAS:959-98-8
S-10979J1-1ML | 1ML
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间二甲苯[CAS:108-38-3] 100 ug/ml甲醇 m-Xylene [CAS:108-38-3] 100 ug/ml in Methanol
ZCA-P857660 | 1ml
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1,3,5-Trichlorobenzene Solution 100 ug/ml in Hexane CAS:108-70-3
S-10203J1-1ML | 1ML
CAS号:626-15-3
规格:1ML
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2. 净化:通过硅胶柱或弗罗里硅土柱去除干扰物;
3. 浓缩:氮吹浓缩至0.5-1.0 mL;
4. 仪器分析:GC-MS采用分流/不分流进样,选择离子监测(SIM)模式定量。
2. 正己烷溶液需严格密封,避免挥发性损失;
3. 基质复杂时需增加净化步骤或采用内标法定量。
以上信息仅供参考,请以相应标准的原文为准!