Cocoa powder: Smash cocoa cake, the brown red powder which is sifted is called cocoa powder.
Item                                              Natural cocoa powder  
                        High fat content    Fit fat content   Low fat content
Cocoa butter
on dry matter basis   %     >20        >12-20           10-12
Moisture content/     %                       5max  
Ash content  on dry matter basis %  8max  
 through 200 mesh sieve/   %            99%-99.5% 
PH value                                                                  5.0-5.8 
Shell content                                              1.75max

 
Item                                              Alkalized cocoa powder
                        High fat content    Fit fat content   Low fat content
Cocoa butter
on dry matter basis   %              >20                     >12-20           10-12
Moisture content/     %                                       5max  
Ash content  on dry matter basis %      10 light alkali ; 12  weighty alkali 
 through 200 mesh sieve/   %                 99%-99.5% 
PH value                                       5.9-6.8 (light alkali) ,>6.8(weighty alkali) 
Shell content                                              1.75max

Microbiology index:

          Item                                                                                          Index
Total bacteria count   cfu/g                      5000 max
Coliform group        MPN/100g                              30 max
Pathogen salmonella, shigella, staphylococcus aureus    Negative
Yeast count     cfu/g                                       50 max
Mould count     cfu/g                                 50 max