GB/T 3049-2006 Chemical products for industrial use. General method for determination of iron content 1, 10 Phenanthroline spectrophotometric method (English Version)
This standard specifies the general method for the determination of iron content in chemical products 1,10-phenanthroline spectrophotometric method. This standard describes techniques for the determination of iron content in solutions. When preparing the test solution, reference should be made to the standard relevant to the product being analyzed and the method should be modified as necessary to make it suitable for the determination of the product.
GB/T 3049-2006 history
2006GB/T 3049-2006 Chemical products for industrial use. General method for determination of iron content 1, 10 Phenanthroline spectrophotometric method
1986GB/T 3049-1986 Chemical products for industrial use--General method for determination of iron content--0-phenanthroline spectrophotometric method