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.ksjingke.com
| Sulfuric acid | ||||
| Parameter | Unit | High purity electronic grade | Reagent grade | |
| UP Specification | EL Specification | AR Specification | ||
| Assay | % | 95.0~98.0 | 95.0~98.0 | 95.0～98.0 |
| Color | Hazen | ≤10 | ≤10 | ≤10 |
| Ignition residue(sulphate) | ppm | ----- | ≤5 | ≤10 |
| Particles(≥0.5um) | piece/ml | ≤25 | ----- | ----- |
| Particles(≥0.3um) | piece/ml | ≤150 | ----- | ----- |
| Particles(≥0.2um) | piece/ml | ≤300 | ----- | ----- |
| Particles(≥1.0um) | piece/ml | ----- | ≤25 | ----- |
| Chloride | ppm | ≤100 | ≤100 | ≤3 |
| Phosphate | ppm | ≤500 | ≤500 | ----- |
| Nitrate | ppm | ≤200 | ≤200 | ≤0.5 |
| Ammonium salt | ppm | ≤1 | ≤1 | ≤2 |
| Reduction of potassium permanganate material(SO2) | ppm | ≤2 | ≤2 | ≤5 |
| Aluminum | ppb | ≤10 | ≤200 | ----- |
| Stibium | ppb | ≤5 | ---- | ----- |
| Arsenic | ppb | ≤10 | ≤50 | ≤30 |
| Barium | ppb | ≤10 | ---- | ----- |
| Beryllium | ppb | ----- | ---- | ----- |
| Bisumuth | ppb | ---- | ---- | ----- |
| Boron | ppb | ≤20 | ≤20 | ----- |
| Cadmiuth | ppb | ≤10 | ---- | ----- |
| Calcium | ppb | ≤10 | ≤300 | ----- |
| Chromium | ppb | ≤10 | ≤200 | ----- |
| Cobalt | ppb | ---- | ---- | ----- |
| Copper | ppb | ≤10 | ≤100 | ≤100 |
| Galium | ppb | ---- | ---- | ----- |
| Germanium | ppb | ----- | ---- | ----- |
| Gold | ppb | ----- | ---- | ----- |
| Iron | ppb | ≤10 | ≤200 | ≤500 |
| Lead | ppb | ≤10 | ≤300 | ≤100 |
| Lithium | ppb | ≤10 | ---- | ----- |
| Magnesium | ppb | ≤10 | ≤300 | ----- |
| Manganese | ppb | ≤10 | ≤200 | ----- |
| Molybdenum | ppb | ----- | ---- | ----- |
| Nickel | ppb | ≤10 | ≤100 | ----- |
| Niobium | ppb | ----- | ---- | ----- |
| Potassium | ppb | ≤10 | ≤300 | ----- |
| Silver | ppb | ---- | ---- | ----- |
| Sodium | ppb | ≤10 | ≤300 | ----- |
| Strontium | ppb | ----- | ---- | ----- |
| Tantalum | ppb | ----- | ---- | ----- |
| Thallium | ppb | ----- | ---- | ----- |
| Titanium | ppb | ≤10 | ≤300 | ----- |
| Tin | ppb | ≤10 | ≤200 | ----- |
| Vanadium | ppb | ≤10 | ---- | ----- |
| Zinc | ppb | ≤10 | ≤200 | ----- |
| Zirconium | ppb | ≤10 | ----- | ----- |
