Beijing PUXI Technology Co., Ltd??? ?? ??? ?????.

?? ?:Beijing PUXI Technology Co., Ltd

??:400-8087372

???:puxi_sale@qq.com

??:China

? ?? ?:4990

45 46 47 48 49 50

?? ????

mixed standard solution
Potassium chlorate test solution
Orange-red standard colorimetric solution/Special for 2020 Pharmacopoeia
Environmental standard solution
Ion chromatography standard solution
Single element standard solution
Veterinary drug reference materials
EXJB test solution
Fixative (Silver staining method A) + (Silver staining method B)
Pharmacopoeia test solution-sulfuric acid solution
Silver staining solution (Silver staining A method)
Brown-red standard colorimetric solution/Special for 2020 Pharmacopoeia
Phosphate buffer (with pancreatin) (pH6.8)
Standard titration solution
Reference solution
Drug reference material
National Standard Gas
primary reference material
metal reference material
European reference material
primary standard solution
Pesticide Standard Solution
Decolorizing solution (Silver staining A method)
Spectral standard sample
Pharmacopoeia standard solution
Pesticide Reference Materials
Water quality standard sample
Mercury ICP Standard,1000 ppm in HNO3
Negative solution (sodium hydroxide solution)
Conductivity standard solution
Sodium hydroxide solution	?	7732-18-5	H2O
Environmental standard samples
Environmental standard solution
Medical standard gas
Environmental Standards
Particle size standard substance
VOC standard/reference
metal standard solution
Natural gas calibration gas
Pharmaceutical reference materials
Solution standard substance
Water quality standard substances
Fixative (blue dye method)
BP standard/reference
European standard/reference
Impurity standard/reference
Pharmaceutical Standards/References
food standard solution
Secondary standard solution
Environmental protection standard substances
Chinese medicine reference material
Mixed standard gas
Dinitrophenylhydrazine ethanol test solution
Stop solution (Silver staining method A) + (Silver staining method B)
Mineralizing reagent
Color development solution (Silver staining method A) + (Silver staining method B)
Yttrium, AAS standard solution, Specpure, Y 1000μg/ml			Y
Petroleum Standards
Metallurgical Standards
Chromogenic reagent
Diazo dinitroaniline test solution
Auxiliary dye solution (Silver staining A method)
Cathode solution (phosphoric acid solution)
Standard mercury solution
YCZXSY test solution
food standard substance
Secondary calibration gas
Pharmacopoeia test solution-potassium permanganate solution
Pharmacopoeia test solution-hydrochloric acid solution
Silver nitrate solution (Silver staining B method)
Dilute XS
chemical standard
Viscosity standard material
gas reference material
Diazo p-nitroaniline test solution
Silver Nitrate test solution
primary calibration gas
Water quality standard solution
Ionic standard solution
Dinitrophenylhydrazine test solution
Standard colorimetric fluid
Purity Standards
Spectrometry Standards
Inorganic reference material
American Standards
Analytical reference material
Pesticide Residue Standard Substances
secondary reference material
Veterinary drug standard solution
Institute of Metrology Standard Solution
ZGSJ test solution
XSB test solution
Chromatographic standard substances
CICPM
elemental standard solution
Organic Reference Materials
Water quality standard sample
Soil reference material
Mixed Standards
Marine reference material

45 46 47 48 49 50

天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

Beijing PUXI Technology Co., Ltd??? ?? ??? ?????.

?? ????