-
水质铁标样,7439-89-6,0.7±0.03mg/L
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水质总有机碳标样,10.1-120mg/L in H2O
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水质汞标样,7439-97-6,浓度范围:11.2µg/L
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大米粉中的马拉硫磷质控样
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水质钒标样
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水质锶标样,7440-24-6,analytical standard,0.80 mg/L,in 1%HCl
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甲醛水质标样,50-00-0,analytical standard,1.41mg/L in water
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甲醛水质标样,50-00-0,analytical standard,0.43mg/L in water
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果蔬汁中马拉硫磷、甲胺磷质控样
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水质钛标样,7440-32-6,0.601mg/L,in water(稀释后)
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