IS 3660 : Part 5 : 1989 Methods of Test for Natural Rubber - Part 5 : Determination of Manganese

1 Scope

1.1 This standard (Part 5) prescribes a method of totalmanganese in raw for determination natural rubber.

2 References

IS 266 :1977Specification for sulphuric acid

IS 1070 :1977Specification for water for general laboratoryuse

IS 3660 : Part 1 :1972 Methods of test for natural rubber:Part 1 Determination of ash, total copper,manganese, rubber, hydrocarbon, viscosity(shearing disc viscometer), and mixing andvulcanizing of rubber in a standard compound