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顺-氯丹标准溶液,5103-71-9,1000ug/ml in Purge and Trap Methanol
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硼标准溶液,7440-42-8,analytical standard ,1000ug/ml in water
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嘧啶磷标准溶液,23505-41-1,1000ug/ml in Purge and Trap Methanol
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乙拌磷砜标准溶液,2497-06-5,1000ug/ml in Acetone
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β-硫丹标准溶液,33213-65-9,1000ug/ml in Purge and Trap Methanol
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4种阴离子混标(氟离子,氯离子,溴离子,硫酸根),100μg/ml in H2O(不确定度 2%)
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4种阴离子混标(氟离子,氯离子,溴离子,硫酸根),1000μg/ml in H2O(不确定度 1%)
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萎锈灵标准溶液,5234-68-4,1000ug/ml in Acetone
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1,2,3,4-四氯苯标准溶液,634-66-2,analytical standard,1000ug/ml in methanol
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铁标准溶液,7439-89-6,analytical standard ,1000ug/ml in 1.0mol/L HNO3
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