ANSI API RP 10B-5 pdf download.Petroleum and natural gas industries — Cements and materials for well cementing 5.3.2 Preparation of slurry 5.3.2.1 Mixing Test samples shall be prepared in accordance with ISO 10426-2:2003, Clause 5. The mixing device shall be calibrated annually to a tolerance of ± 3,3 r/s (200 r/min) at 66,7 r/s (4 000 r/min) and ± 8,3...