GB/T 6437 — 6437 Determination of Total Phosphorus in Feed Spectrophotometric

cn_gb_gb_t_6437

GB/T 6437 — 6437 Determination of Total Phosphorus in Feed Spectrophotometric

GB/T 6437 (6437 Determination of Total Phosphorus in Feed Spectrophotometric) is a Chinese standard for the determination of the named constituent in feed. It is cited as a normative reference in China's complete-pet-food standards GB/T 31216-2014 (complete dog food) and/or GB/T 31217-2014 (complete cat food).

Standard number: GB/T 6437
English title: 6437 Determination of Total Phosphorus in Feed Spectrophotometric
Reference group: Proximate/composition
Applied in: dog + cat

Honest gap: Extracted from the USDA GAIN report CH2022-0063 normative-references list (English title only). The full method text — reagents, apparatus, procedure, and limits of quantification — is not reproduced here; clause-level method detail remains pending extraction from the first-hand GB/T 6437 text.

Sources

GB/T 6437 — 6437 Determination of Total Phosphorus in Feed Spectrophotometric

Standardization Administration of China / MARA

Verification file: pdf-raw/cn-2026/usda_gain_ch2022_0063.pdf

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