PAKISTAN STANDARD SPECIFICATION SINGLE SUPER …
1.1 This Standard covers single super Phosphate for use as Fertilizer. 2. SAMPLING 2.1 Representative sample of the material shall be drawn as prescribed in Appendix-A. 3. GRADES 3.1 There shall be two grades: i) Grade-I (powder or granulated). ii) Grade-II (powder or granulated). Not For Sale- PSQCA (c) Only for Research Purpose
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