Anhui Provincial Standard of the People's Republic of China
Latest
DB34/T 1448-2011
Scope
This standard applies to lignosulfonate-based coal-water slurry dispersants and their compound products prepared from lignin and other raw materials. They are mainly used as coal-water slurry dispersants for gasification and combustion. The applicable coal types are dry and non-toxic. Bituminous coal with an ash base volatile content greater than 30%.
DB34/T 1448-2011 Referenced Document
GB 15258 General rules for preparation of precautionary label for chemicals
GB/T 15223 Plastics.Liquid resins.Determination of density by the pyknometer method
GB/T 18856.2 Test methods for coal water mixture.Part 2:Determination of mass percentage of solid
GB/T 18856.4 Test methods for coal water mixture.Part 4:Determination of apparent viscosity
GB/T 6283 Chemical products.Determination of water Karl.fischer method(general method)
GB/T 6368 Surface active agents.Determination of pH of aqueous solution.Potentiometric method
GB/T 6679 General rules for sampling solid chemical products
GB/T 6680 General rules for sampling liquid chemical products
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
SY/T 5242 Determination method of sulfo group content in treatment agent for drilling fluid
DB34/T 1448-2011 history
2011DB34/T 1448-2011 Lignosulfonate series dispersant for coal water mixture