| project |
unit |
Advanced Electronics |
Reagent grade |
| UP grade specification |
EL grade specification |
AR grade specification |
| content |
% |
≥99.8 |
≥99.8 |
≥99.7 |
| Chroma |
Hazen |
≤10 |
≤10 |
----- |
| Evaporation residue |
ppm |
----- |
≤5 |
≤10 |
| Particles (≥0.5um) |
pcs/ml |
≤25 |
----- |
----- |
| Particles (≥0.3um) |
pcs/ml |
≤150 |
----- |
----- |
| Particles (≥0.2um) |
pcs/ml |
≤300 |
----- |
----- |
| mixed with water test |
----- |
qualified |
qualified |
qualified |
| Density(20℃) |
g/mL |
0.789~0.791 |
0.789~0.791 |
0.789~0.791 |
| Acidity (as H+) |
mmol/100g |
≤0.02 |
≤0.02 |
≤0.04 |
| Alkalinity (as OH-) |
mmol/100g |
≤0.005 |
≤0.005 |
≤0.01 |
| Reduce potassium permanganate |
ppm |
≤2.5 |
≤2.5 |
≤2.5 |
| easily carbonized substance |
----- |
qualified |
qualified |
qualified |
| Carbonyl compound (as CO) |
ppm |
≤30 |
≤30 |
≤30 |
| Methanol (CH3OH) Methanol |
% |
≤0.02 |
≤0.02 |
≤0.05 |
| Isopropanol(CH3)2CHOH |
% |
≤0.003 |
≤0.003 |
≤0.01 |
| Moisture (H2O) |
% |
≤0.2 |
≤0.2 |
≤0.3 |
| Chloride (Cl) |
ppm |
≤0.5 |
≤1 |
----- |
| Sulfate (SO4) |
ppm |
≤1 |
≤1 |
----- |
| Al |
ppb |
≤10 |
----- |
----- |
| Arsenic (As) |
ppb |
≤10 |
≤50 |
----- |
| Barium (Ba) |
ppb |
≤10 |
≤50 |
----- |
| Boron (B) |
ppb |
≤10 |
----- |
----- |
| Cadmium (Cd) |
ppb |
≤10 |
≤50 |
----- |
| Calcium (Ca) |
ppb |
≤10 |
----- |
----- |
| Chromium (Cr) |
ppb |
≤10 |
----- |
----- |
| Cobalt (Co) |
ppb |
≤20 |
≤100 |
----- |
| Copper(Cu) |
ppb |
≤10 |
≤10 |
----- |
| Ga |
ppb |
≤10 |
----- |
----- |
| Ge |
ppb |
≤10 |
----- |
----- |
| Gold (Au) |
ppb |
≤20 |
----- |
----- |
| Iron (Fe) |
ppb |
≤10 |
≤100 |
----- |
| Lead (Pb) |
ppb |
≤10 |
≤10 |
----- |
| Lithium (Li) |
ppb |
≤10 |
----- |
----- |
| Magnesium (Mg) |
ppb |
≤10 |
----- |
----- |
| Manganese (Mn) |
ppb |
≤10 |
≤10 |
----- |
| Mo |
ppb |
≤10 |
----- |
----- |
| Ni |
ppb |
≤10 |
≤10 |
----- |
| Niobium (Nb) |
ppb |
≤10 |
----- |
----- |
| Potassium (K) |
ppb |
≤50 |
----- |
----- |
| Silver (Ag) |
ppb |
≤10 |
----- |
----- |
| Sodium (Na) |
ppb |
≤50 |
≤500 |
----- |
| strontium (Sr) |
ppb |
≤10 |
----- |
----- |
| Thallium (Tl) |
ppb |
≤10 |
----- |
----- |
| Tin (Ti) |
ppb |
≤10 |
----- |
----- |
| Tin (Sn) |
ppb |
≤10 |
----- |
----- |
| Vanadium (V) |
ppb |
≤10 |
----- |
----- |
| Zinc (Zn) |
ppb |
≤50 |
≤10 |
----- |
