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


Sodium hydroxide

Sodium hydroxide
Parameter Unit High purity electronic grade Reagent grade
UP Specification EL Specification AR Specification
Assay % ≥99.0 ≥98.0 ≥96.0
Color --- White flake or granular White flake or granular White flake or granular
Clarity test --- Qualified Qualified Qualified
Particles(≥0.5um) piece/ml ≤25 ----- -----
Particles(≥0.3um) piece/ml ≤150 ----- -----
Particles(≥0.2um) piece/ml ≤300 ----- -----
Chloride ppm ≤10 ≤20 ≤50
Sulfate ppm ≤10 ≤20 ≤50
Total nitrogen content ppm ≤5 ≤5 ≤10
Silicate ppm ≤50 ≤100 ≤100
Phosphate ppm ≤5 ≤10 ≤10
Aluminum ppb ≤100 ≤200 ≤20000
Arsenic ppb ≤30 ≤100 -----
Barium ppb ≤10 ----- -----
Beryllium ppb ≤5 ----- -----
Bisumuth ppb ≤5 ----- -----
Boron ppb ≤10 ----- -----
Cadmiuth ppb ≤10 ----- -----
Calcium ppm ≤10 ≤50 ≤100
Chromium ppb ≤10 ≤100 -----
Cobalt ppb ≤10 ----- ---
Copper ppb ≤80 ≤100 -----
Galium ppb ≤10 ----- -----
Germanium ppb ≤10 ----- -----
Gold ppb ≤10 ----- -----
Iron ppb ≤50 ≤500 ≤10000
Potassium ppm ≤20 ≤50 ≤500
Lead ppb ≤50 ≤100 ≤30000
Lithium ppb ≤10 ----- -----
Magnesium ppb ≤10 ≤100 -----
Manganese ppb ≤10 ----- -----
Molybdenum ppb ≤10 ----- -----
Nickel ppb ≤80 ≤100 -----
Niobium ppb ≤10 ----- -----
Strontium ppb ≤10 ----- -----
Silver ppb ≤5 ----- -----
Tantalum ppb ≤10 ----- -----
Thallium ppb ≤10 ----- -----
Titanium ppb ≤10 ----- -----
Tin ppb ≤10 ----- -----
Vanadium ppb ≤10 ----- -----
Zinc ppb ≤80 ≤100 -----
Zirconium ppb ≤10 ----- -----

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