国产多毛熟女高潮视频_国产精品大屁股白桨一区二区三区_91自拍熟女露脸国产_在线天堂欧美一区二区成人_国模精品白金视频无码Au

Hotline:
+86-22-85689619

Products

PH standard concentrated buffer solution

Specifications: < p > pH=1. 00 & plusmn; 0.02 25 & deg; C < br/> pH=2. 00 & plusmn; 0.02 25 & deg; C < br/> pH=3. 00 & plusmn; 0.02 25 & deg; C < br/> pH=4. 00 & plusmn; 0.02 25 & deg; C < br/> pH=5. 00 & plusmn; 0.02 25 & deg; C < br/> pH=6. 00 & plusmn; 0.02 25 & deg; C < br/> pH=7. 00 & plusmn; 0.02 25 & deg; C < br/> pH=8. 00 & plusmn; 0.02 25 & deg; C < br/> pH=9. 00 & plusmn; 0.02 25 & deg; C < br/> pH=10. 00 & plusmn; 0.02 25 & deg; C < br/> pH=11. 00 & plusmn; 0.02 25 & deg; C < br/> pH=12. 00 & plusmn; 0.02 25 & deg; C < br/> pH=13. 00 & plusmn; 0.02 25 & deg; C


Packing: 500ml

Contact us

TEL:+86-22-85689619

Contact: Carter Cao.
Tel/fax: +86-13802127750, +86-18622107711
Technical consultant:Peng.Zhao     TEL:001(651)283-9609
Email : cartercao@hotmail.com 

Mobile

Moblie

Copyright(C)2020,Tianjin Guangfu Fine Chemical Research Institute All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice