YS/T 445.17-2021 Active Industry standards-Non-ferrous metals

YS/T 445.17-2021 YS/T 445.17-2021 Chemical analysis methods for silver concentrate - Part 17: Determination of silicon dioxide content - Molybdenum blue spectrophotometric method

Publish Date: 2021-12-02 Implement Date: 2022-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YS/T 445.17-2021

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: 2021-12-02

Implement Date: 2022-04-01

Scope

This document is applicable to the determination of the silica content in silver concentrate. The measurement range is 1.00% to 14.00%.

Development Information

Same series standard

YS/T 445.18-2021 YS/T 445.18-2021 Method for chemical analysis of silver concentrate - Part 18: Determination of iron content - Na2EDTA titrimetric 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