... demonstrated compliance with the specification in a particular type of cement (see 4.4.3) 9.3 Mixing of Concrete—Mix the concrete in accordance with Practice C 192 except as follows: Hand mixing will not ... 13.1 The report covering the results of the evaluation of a material proposed for use as a processing addition in the manufacture of portland cement under this specification shall include the following ... (K2O) There shall also be calculated the potential percentages of the following compounds: tricalcium silicate, dicalcium silicate, tricalcium aluminate, and tetracalcium aluminoferrite Determinations...