Listing ID #7082094
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 tests |
 results |
 specifications |
 1. appearance   2. solubilities  3. identification       test a       test b       test c          test d         test e   5. color of solution    (5% solution)  6. ph of solution    ( 10 % solution)  7.ortho compound  8. residue insoluble in anhydrous ethanol  9. assay (%)  |
 white crystalline powder  conforms   conforms conforms conforms   conforms  conforms   conforms   9.2   conforms  conforms   99.9  |
 white to slight yellow crystalline powder   freely soluble in water insoluble in benzene, chloroform & ether.   solution a turns red litmus paper r blue & then bleached it. melting point: 137-140c ignite 1g (cautiously, because of the risk of deflagration). dissolve the residue in 10ml of water r. the solution gives reaction (a) of chlorides.  the solution prepared for identification test c gives reaction (a) of sulfates. the solution prepared for identification test c gives reaction (b) of sodium.  nmt 50 apha   8.0 to 10.0   melting point nlt 134°c  max. 2.0%   nlt 98.0 % nmt 103.0% |