methylene blue test | 合法藥品大搜索

methylenebluetest...Atesttodeterminetheamountofclay-likematerialsinawater-basedrillingfluidbasedontheamountofmethylenebluedyeabsorbedbythe ...

1. n. [Drilling Fluids]

A test to determine the amount of clay[1]-like materials in a water-base drilling fluid[2] based on the amount of methylene blue dye[3] absorbed by the sample. Results are reported as "MBT" and also as "lbm/bbl[4], bentonite[5] equivalent" when performed to API[6] specifications.

Synonyms: bentonite equivalent,  MBT test[7][8]

See: cation exchange capacity,  endpoint,  ion exchange,  kaolinite,  low-yield clay,  titration,  water-based mud[9][10][11][12][13][14][15]