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      D'D'ammonium Metatungstate Tungsten
Grade  | 
					    AMT-1A  | 
					    AMT-2A  | 
				      |
AMT-1B  | 
                        AMT-2B  | 
                      ||
AMT-1C  | 
                        AMT-2C  | 
                      ||
Pureté Min.(%)  | 
                        99.95  | 
                        99.90  | 
                      |
Main Comp WO3 MIN.(%)  | 
                        83.0  | 
                        83.0  | 
                      |
| Contenu de Max chimique autre élément. (%) | Al  | 
                        0.001  | 
                        0.001  | 
                      
As  | 
                        0.001  | 
                        0.001  | 
                      |
Bi  | 
                        0.0001  | 
                        0.0001  | 
                      |
Ca  | 
                        0.001  | 
                        0.003  | 
                      |
Cr  | 
                        0.001  | 
                        0.001  | 
                      |
Cu  | 
                        0.001  | 
                        0.003  | 
                      |
Fe  | 
                        0.002  | 
                        0.003  | 
                      |
K  | 
                        0.0015  | 
                        0.002  | 
                      |
Mg  | 
                        0.001  | 
                        0.002  | 
                      |
Mn  | 
                        0.001  | 
                        0.001  | 
                      |
Mo  | 
                        0.005  | 
                        0.01  | 
                      |
Na  | 
                        0.0015  | 
                        0.002  | 
                      |
Ni  | 
                        0.001  | 
                        0.001  | 
                      |
P  | 
                        0.001  | 
                        0.003  | 
                      |
Pb  | 
                        0.0001  | 
                        0.0001  | 
                      |
S  | 
                        0.0005  | 
                        0.001  | 
                      |
Sb  | 
                        0.001  | 
                        0.002  | 
                      |
Si  | 
                        0.001  | 
                        0.002  | 
                      |
Sn  | 
                        0.0001  | 
                        0.0003  | 
                      |
Ti  | 
                        0.001  | 
                        0.002  | 
                      |
V  | 
                        0.001  | 
                        0.002  | 
                      |
| Matière non dissous dans l'eau Max | 0.5  | 
                        0.5  | 
                      |
| PH Valeur | 3.0-4.5  | 
                        3.0-4.5  | 
                      |
Aspect: poudre blanche ou jaune pale crytallized.




 
 
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