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???:180830201name@qq.com

??:CHINA

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?? ????

Borax-sodium carbonate buffer
Borax-sodium carbonate buffer (PH8.0~11.2)
NA
NA
NA
NA
NA
NA
NA
NA
NA
Standard substance for gas chromatography/mass spectrometry verification (benzophenone)
NA
NA
NA
NA
NA
NA
NA
Magenta coke gallic acid test solution(ChP)
Borate standard buffer solution			BH3O3
Praseodymium-neodyminum Optical Filter
PH standard buffer solution
Boric acid potassium chloride buffer (pH 9.6)
Boric acid-potassium chloride buffer
NA
NA
NA
NA
NA
Boric acid-potassium chloride buffer (pH9.0)
Standard Solution of Pr
Borax-calcium chloride buffer
NA
NA
NA
NA
NA
NA
NA
NA
Methyl Parathion /ethanol standard solution for GC verification
Standard Solution of B
Standard substance for gas chromatography/mass spectrometry verification (methyl stearate)
NA
NA
NA
NA
HEXACHLOROBENZENE	???????	118-74-1	C6Cl6
PRASEODYMIUM	??????	7440-10-0	Pr
Beryllium	???	7440-41-7	BeH2
Borate solution			BH3O3
Polonium-210 Alpha Surface Emission Rate Reference Material
Gas Chromatograph Calibration Standards
Liquid glucose	?????	8027-56-3
NA
NA
NA
NA
NA
NA
Borax-calcium chloride buffer (pH8.0)
Standard Solution of Be
NA
NA
NA
NA
NA
Sodium tetraborate	?? ???, ??	1330-43-4	B4Na2O7
SODIUM BORODEUTERIDE		15681-89-7	BD4Na
NA
NA
NA
NA
NA
NA
FUCHSIN BASIC	???(???)	632-99-5	C20H20ClN3
NA
NA
NA
NA
NA
NA
NA
NA
Borax PH standard solution
Ammonium metavanadate	??? ?????	7803-55-6	H4NO3V
NA
NA
NA
NA
BERYLLIUM STANDARD SOLUTION, 1 MG/ML BE IN 2% HCL, FOR AAS		7440-41-7	Be
NA
NA
NA
Borax Standard Buffer
NA
NA
NA
Praseodymium Erbium Filter Wavelength Standard Material

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