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2-2025_Chinese: Leather and fur - Determination of chlorinated hydrocarbons - Part 2: Middle-chain chlorinated paraffins(MCCPs) (Chinese: 皮革和毛皮 氯代烃的测定 第2部分：中链氯化石蜡)
GB/T 33523
English versions: GB/T 29912-2024
English versions: GB/T 31379
English versions: GB 45248-2025
GB/T 38403.3-2025 Chinese PDF (GB /T38403.3-2025) GB 5009.5-2025 2-2025_Chinese: Leather and fur -GB T 38403. 3 2025_Chinese: Leather and fur Determination of the preservative content Part 3: Gas chromatography mass spectrometry method(methanol extraction) (Chinese: 3 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 38403. 3 2025
