07/30

2025

Standard material for bromine index determination

Standard material for bromine index determination

National Standard Materials: For example, GBW (E) 060114 petroleum bromine index determination standard material, which belongs to petroleum and chemical standard samples and solutions.

07/20

2025

Standard material for salt content determination

Standard material for salt content determination

Total Salt Content Standard Solution for Water: This standard solution is prepared using high-purity substances and laboratory-grade water as raw materials, employing the gravimetric-volumetric method.

07/14

2025

Standard material for arsenic content determination

Standard material for arsenic content determination

Standard materials for arsenic content determination primarily include arsenic standard solutions and arsenic standard samples in various forms, which are commonly used for calibrating measuring instruments and evaluating analytical methods.

07/02

2025

What are the differences between standard materials used to determine arsenic content in different brands?

What are the differences between standard materials used to determine arsenic content in different brands?

Raw material purity: High-quality brands typically use high-purity raw materials, such as Agilent's arsenic standard material, which has a raw material purity of up to 99.999% (ICP grade).

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