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First Standard® 甲醇中甲磺酸培氟沙星溶液, 1000ug/ml
Pefloxacin mesylate Solution in Methanol, 1000ug/mlFirst Standard®天津
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First Standard® 甲醇中N-乙酰氨苯砜溶液,1000ug/mL
N-Acetyldapsone solution in Methanol, 1000ug/mLFirst Standard®天津
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气相色谱仪检定用标准物质(苯-甲苯溶液),71-43-2,analytical standard,5.00mg/ml in toluene,for GC calibration
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First Standard® 乙腈/甲醇中杀线威-oxime溶液,1000ug/ml
Oxamyl-oxime Solution in Acetonitrile/Methanol, 1000ug/mlFirst Standard®天津
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三价铬标准溶液,7440-47-3,analytical standard,1000ug/ml, in 1.0 mol/L HCL
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菲标准溶液,85-01-8,2000ug/ml in Toluene
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甲基汞标准溶液,22967-92-6,analytical standard,10ug/ml in toluene
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First Standard® 甲醇中对羟基苯甲酸甲酯溶液,1000ug/ml
4-Hydroxybenzoic acid-metyl ester Solution in Methanol,1000ug/mlFirst Standard®天津
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乙酸正丁酯标准溶液,123-86-4,analytical standard,1000ug/ml,in methanol
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萘标准溶液,91-20-3,2000ug/ml in Toluene
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