YS/T 1665.2-2023 Active Industry standards-Non-ferrous metals

YS/T 1665.2-2023 Silver-nickel graphite chemical analysis method - Part 2: Determination of nickel content - Preparation of di-ketone amine complex to separate nickel by precipitation with di-n-butyromaleimide, complexation of nickel with Na2EDTA, and titration back with sulfuric acid

Publish Date: 2023-12-20 Implement Date: 2024-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YS/T 1665.2-2023

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for precious metals and their alloys

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2023-12-20

Implement Date: 2024-07-01

Scope

This document is applicable to the determination of nickel content in silver-nickel graphite. The measurement range is 5.00% to 35.00%.

Development Information

Same series standard

YS/T 1665.1-2023 YS/T 1665.1-2023 Silver nickel graphite chemical analysis methods Part 1: Determination of silver content by chloride ion titration method YS/T 1665.3-2023 Silver-nickel-graphite chemical analysis methods - Part 3: Determination of total carbon content - Gas capacity method and high-frequency combustion-infrared absorption method

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