YS/T 240.9-2024 Active Industry standards-Non-ferrous metals

YS/T 240.9-2024 YS/T 240.9-2024 Bismuth concentrate chemical analysis methods Part 9: Determination of copper content by iodometric and flame atomic absorption spectroscopy methods

YS/T 240.9-2024 YS/T 240.9-2024 Bismuth concentrate chemical analysis methods Part 9: Determination of copper content by iodometric and flame atomic absorption spectroscopy methods

Publish Date: 2024-10-24 Implement Date: 2025-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YS/T 240.9-2024

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for heavy metals and their alloys

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2024-10-24

Implement Date: 2025-05-01

Scope

This document is applicable to the determination of copper content in bismuth concentrate. The determination range (mass fraction) of the iodometry method is >5.00%~25.00%, and the determination range (mass fraction) of the flame atomic absorption spectrometry method is 0.050%~5.00%.

Development Information

Same series standard

YS/T 240.1-2024 YS/T 240.1-2024 Bismuth concentrate chemical analysis method Part 1: Determination of bismuth content by Na2EDTA titration method YS/T 240.2-2024 YS/T 240.2-2024 Bismuth concentrate chemical analysis methods Part 2: Determination of lead content by Na2EDTA titration method, Na2EDTA back titration method and flame atomic absorption spectroscopy methods YS/T 240.3-2024 YS/T 240.3-2024 Bismuth concentrate chemical analysis methods Part 3: Determination of silicon dioxide content - Spectrophotometric method for silicon and weight method YS/T 240.4-2024 YS/T 240.4-2024 Bismuth concentrate chemical analysis methods Part 4: Determination of tungsten trioxide content - Sodium thiocyanate spectrophotometric method YS/T 240.5-2024 YS/T 240.6-2024 YS/T 240.6-2024 Bismuth concentrate chemical analysis method - Part 6: Determination of iron content - Potassium dichromate titration method YS/T 240.7-2024 YS/T 240.7-2024 Method for chemical analysis of bismuth concentrates - Part 7: Determination of sulfur content by combustion-neutralization titration method YS/T 240.8-2024 YS/T 240.8-2024 Bismuth concentrate chemical analysis methods Part 8: Determination of arsenic content by DDTC-Ag spectrophotometry and ammonium ferrous sulfate titration method YS/T 240.10-2024 YS/T 240.11-2024 YS/T 240.11-2024 Bismuth concentrate chemical analysis methods Part 11: Determination of silver and gold content by flame atomic absorption spectroscopy and ignition-flame atomic absorption spectroscopy YS/T 240.12-2024 Method for chemical analysis of bismuth concentrates - Part 12: Determination of lead, zinc, copper, arsenic, antimony and cadmium content - Inductively coupled plasma atomic emission spectroscopy (ICP-AES)

Replace the following standards

YS/T 240.9-2007 Methods for chemical analysis of bismuth concentrate—Determination of lead content—Iodometric method and the flame atomic absorption spectrometric method

Related Standards

GB/T 13840-1992 Abolished

GB/T 13840-1992 Wafer carriers

Publish Date: 1992-12-28

GB/T 15677-1995 Replaced

GB/T 15677-1995 Lanthanum metal

Publish Date: 1995-08-11

GB/T 3136-1995 abolished_transferred

GB/T 3136-1995 Tantalum powders

Publish Date: 1995-10-17

GB/T 3463-1995 Abolished

GB/T 3463-1995 Tantalum wires

Publish Date: 1995-10-17

GB/T 3628-1995 Replaced

GB/T 3628-1995 Tantalum and tantalum alloy foils

Publish Date: 1995-10-17

GB/T 16476-1996 Replaced

GB/T 16476-1996 Scandium metal

Publish Date: 1996-07-09