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T/CBPIA 0012-2025

Published

Determination method of performance of reversed-phase spherical silica gel-based chromatographic packing material

Issued: 2025-07-03
Effective: 2025-08-03

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T/YCST 029-2025

Published

Concrete high performance internal curing agent

Issued: 2025-07-02
Effective: 2025-08-02

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T/CAIA SH027-2025

Published

Surface water and domestic sewage—Determination of the chemical oxygen demand—Automatic digestion spectrophotometry

Issued: 2025-07-01
Effective: 2025-08-01

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T/GDFL 015-2025

Published

Technical specifications for

Issued: 2025-07-01
Effective: 2025-08-01

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T/CAIA SH026-2025

Published

Surface water and drinking water—Determination of permanganate index—Automatic titration

Issued: 2025-07-01
Effective: 2025-08-01

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T/YCST 028-2025

Published

Recycled brick powder ultra high performance concrete

Issued: 2025-07-01
Effective: 2025-08-01

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T/GDFL 016-2025

Published

Technical code for pickup and feed utilization of rice straw

Issued: 2025-07-01
Effective: 2025-08-01

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T/CAIA SH023-2025

Published

Surface water—Determination of ammonia nitrogen—Automatic Nessler's reagent spectrophotometry

Issued: 2025-07-01
Effective: 2025-08-01

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T/CAIA SH024-2025

Published

Surface water—Determination of total nitrogen—Automatic digestion ultraviolet spectrophotometry

Issued: 2025-07-01
Effective: 2025-08-01

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