SN/T 3056.4-2011 (English Version) PDF

Scope: This part of SN/T 3056 specifies the determination methods of copper content, iron content, hydrochloric acid insoluble matter content, sulfate content and moisture content in basic copper carbonate for fireworks and firecrackers. This section is applicable to the determination of copper content, iron content, hydrochloric acid insoluble matter content, sulfate content and moisture content in basic copper carbonate for fireworks and firecrackers.

SN/T 3056.4-2011 Referenced Document

GB/T 3049 Chemical products for industrial use. General method for determination of iron content 1, 10 Phenanthroline spectrophotometric method
GB/T 6003.1 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth*， 2022-10-12 Update
GB/T 601 Chemical reagent.Preparations of reference titration solutions*， 2016-10-13 Update
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
HG/T 3696.1 Inorganic chemicals for industrical use Preparations of standard and reagent solutions for chemical analysis.Part 1:Preparations of standard volumetric solutions *， 2011-12-20 Update
HG/T 3696.2 Inorganic chemicals for industrical use.Preparations of standard and reagent solutions for chemical analysis.Part 2: Preparations of standard solutions for impurity *， 2011-12-20 Update
HG/T 3696.3 Inorganic chemicals for industrical use.Preparations of standard and reagent solutions for chemical analysis.Part 3: Preparations of reagent solutions *， 2011-12-20 Update

2011 SN/T 3056.4-2011 Determination of essential parameters of chemical raw materials for use in fireworks and firecrackers. Part 4:Basic cupric carbonate