Katra Nano Zinc 12%
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| Boron (as B) percent by weight, minimum | 10.0 |
| PH | 8.5 ±1 |
| Specific gravity | 1.3-1.4 |
| Lead (as pb) percent by weight, maximum | 0.003 |
| Arsenic (as As) percent by weight | 0.01 |
| Calcium (as As) percent by weight | 0.0025 |