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
| 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 | ----- | ----- |
