specification |
super |
high |
standard |
physicalfeature |
no odour,no taster,no sandy grains,smooth. |
whiteness (%) |
95 |
90 |
88 |
moisture  (%) |
0.3 |
0.4 |
0.5 |
bacteria /g |
total 300,fungus100,bacteria not detected. |
(1000 °C)loi (%) |
6 |
6.5 |
7 |
acid solubles (%) |
1.5 |
2 |
3 |
water solubles (%) |
0.1 |
0.3 |
0.5 |
acidic and basic capacity |
neutral reaction by litmus indicating paper. |
molysite |
indicating paper showing no blue. |
passing through |
45 ( µ m ) 98% |
As |
3 × 10 -4 |
Pb |
10 × 10 -4 |
heavy minerals |
40 × 10 -4 |
note |
disease bacteria are mainly colicin and pseudomomas |
