mailbox        ID:      @ksjingke.com       PW:

Add: Zhiwei Road No. 259,Qiandeng
,Town Kunshan City ,Jiangsu,China
Tel: +86-512-57468758
   +86-512-57479318
Fax: +86-512-57468585
E-mail: sales@ksjingke.com
URL: www.kbnur.cn


Acetic acid

Acetic acid
Parameter Unit High purity electronic grade Reagent grade
UP Specification EL Specification AR Specification
Assay % ≥99.8 ≥99.8 ≥99.5
Particles Black once ≤10 ≤10 -----
Evaporation residue ppm ----- ≤10 ≤20
Particles(≥0.5um) piece/ml ≤25 ----- -----
Particles(≥0.3um) piece/ml ≤150 ----- -----
Particles(≥0.2um) piece/ml ≤300 ----- -----
Mixed with water test   Qualified Qualified Qualified
Reduction of potassium permanganate material ppm ≤40 ≤40 ≤80
Crystallization point ≥16.0 ≥16.0 ≥15.1
Acetic anhydride ppm ≤100 ≤100 ≤200
Chloride ppm ≤0.5 ≤1 -----
Phosphate ppm ≤1 ≤1 -----
Sulfate ppm ≤1 ≤1 -----
Aluminum ppb ≤10 ≤50 -----
Antimony ppb ≤20 ----- -----
Arsenic ppb ≤10 ≤50 -----
Barium ppb ≤50 ≤100 -----
Beryllium ppb ≤10 ----- -----
Bisumuth ppb ≤10 ----- -----
Boron ppb ≤10 ----- -----
Cadmiuth ppb ≤50 ≤50 -----
Calcium ppb ≤50 ≤100 -----
Chromium ppb ≤10 ≤20 -----
Cobalt ppb ≤20 ----- -----
Copper ppb ≤20 ≤100 ≤500
Galium ppb ≤10 ----- -----
Germanium ppb ≤10 ----- -----
Gold ppb ≤20 ----- -----
Iron ppb ≤10 ≤200 ≤1000
Lead ppb ≤10 ≤100 ≤500
Lithium ppb ≤10 ----- -----
Magnesium ppb ≤10 ----- -----
Manganese ppb ≤20 ≤200 -----
Molybdenum ppb ≤10 ----- -----
Nickel ppb ≤10 ≤500 -----
Niobium ppb ≤10 ----- -----
Potassium ppb ≤50 ≤500 -----
Silver ppb ≤10 ----- -----
Sodium ppb ≤50 ≤500 -----
Strontium ppb ≤10 ----- -----
Tantalum ppb ≤10 ----- -----
Thallium ppb ≤10 ----- -----
Titanium ppb ≤10 ----- -----
Tin ppb ≤10 ----- -----
Vanadium ppb ≤10 ----- -----
Zinc ppb ≤50 ≤100 -----

337p日本大胆欧美人术艺术_成年片黄网站色大全免费_欧美成年性色生活片 毛片