-
-
2，3-Dibromopropionamide solution,100mg/L, matrix: ethyl acetate, 2ml
-
2，3-Dibromopropionamide solution,1000mg/L, matrix: ethyl acetate, 2ml
-
δ-HCH,δ-666 standard solution, 50μg/ml, solvent: methanol, 1.2ml
-
Carbon tetrachloride in methanol,0.21mg/L, matrix: methanol, 2ml
-
2，2-Di(4-tert-octyl
phenyl)-1-picrylhydrazyl， free radical,, 100mg
-
2，2-Di(4-tert-octyl
phenyl)-1-picrylhydrazyl， free radical,, 25mg
-
Anthracene solution,10.1 ug/mL, matrix: methanol U=4%, 2ml
-
Menthol,Analytical controls, 100mg
-
p-Chloroacetanilide,Analytical controls, 100mg
-
Pyridine,Standard for GC, >99.7%(GC), 5ml
-
Cu solution,1000ug/ml, 1% HNO3, 20ml
стр.: