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        GB/T 31531-2025 focuses on dyestuff and Spinning & weaving dyeing and finishing auxiliaries, specifies the determination methods of quinoline and isoquinoline, clarifies the reagents, instruments, operation steps and result calculation methods required for testing, and is suitable for mass testing and safety control of related products. It can unify industry testing behavior and provide reliable technical support for ensuring product safety and meeting compliance requirements.

        This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
        Status Incoming
        CCS G55 ICS 71.100.01;87.060.10
        Release Date 2025-08-29 00:00:00 Implementation Date 2026-03-01 00:00:00
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        Shangtian Jingyi FA1004C Electronic Balance 10,000 Electronic Balance 100g/0.1mg
        $677.00 SE
        Shangtian Jingyi FA1004C Electronic Balance 10,000 Electronic Balance 100g/0.1mg
        0.1mgInternal calibrated
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        AE324C Electronic Balance internal calibration
        $1194.00 SE
        AE324C Electronic Balance internal calibration
        0.1(mg)All models have external calibrating function, optional automatic internal calibrating model (product model includes C)
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        Shangtian Jingyi AE 2.24 million Electronic Balance 10,000-level Electronic Balance color touch screen 220g/0.1mg
        $753.00 SE
        Shangtian Jingyi AE 2.24 million Electronic Balance 10,000-level Electronic Balance color touch screen 220g/0.1mg
        0.1(mg)Externally calibrated
        +Compare
        Shangtian Jingyi FA1004 million Electronic Balance Experimental analytical balance 100g/0.1mg
        $483.00 SE
        Shangtian Jingyi FA1004 million Electronic Balance Experimental analytical balance 100g/0.1mg
        0.1(mg)Externally calibrated
        +Compare
        FA2204N Electronic Balance 220g/0.1mg
        $471.00 SE
        FA2204N Electronic Balance 220g/0.1mg
        Internal calibrated
        +Compare
        XINYUN FA1204 Analysis Electronic Balance 120g/0.1mg
        $384.00 SE
        XINYUN FA1204 Analysis Electronic Balance 120g/0.1mg
        120g0.0001g
        +Compare
        Shangtian Jingyi FA1204 million Electronic Balance Ten Thousand Electronic Balance 120g/0.1mg
        $483.00 SE
        Shangtian Jingyi FA1204 million Electronic Balance Ten Thousand Electronic Balance 120g/0.1mg
        0.1(mg)Externally calibrated
        +Compare
        AB324C Electronic Balance automatic internal calibration analytical balance 320g/0.1mg
        $1462.00 SE
        AB324C Electronic Balance automatic internal calibration analytical balance 320g/0.1mg
        0.1mgInternal calibrated
        +Compare
        HUAZHI PTY-224/323 Professional analytical balance 220g/320g
        $1771.00 SE
        HUAZHI PTY-224/323 Professional analytical balance 220g/320g
        220g/320g0.1mg/0.5mg
        +Compare
        Shangtian Jingyi FA2204C Electronic Balance high accuracy weighing, dynamic temperature compensation 220g/0.1mg
        $762.00 SE
        Shangtian Jingyi FA2204C Electronic Balance high accuracy weighing, dynamic temperature compensation 220g/0.1mg
        0.1(mg)Internal calibrated
        +Compare
        Seiji AB 2.24 million Electronic Balance Analytical balance 220g/0.1mg
        $898.00 SE
        Seiji AB 2.24 million Electronic Balance Analytical balance 220g/0.1mg
        0.1mgExternally calibrated
        +Compare
        FA3204C Electronic Balance Experiment Electronic analytical balance 320g/0.1mg
        $1091.00 SE
        FA3204C Electronic Balance Experiment Electronic analytical balance 320g/0.1mg
        0.1(mg)Internal calibrated
        +Compare
        Seiji AB 1.24 million Electronic Balance 120g/0.1mg
        $804.00 SE
        Seiji AB 1.24 million Electronic Balance 120g/0.1mg
        0.1mgExternally calibrated
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        AB2255C 1/100,000th Balance Metacentre Electronic Balance 220/51g internal calibration
        $2120.00 SE
        AB2255C 1/100,000th Balance Metacentre Electronic Balance 220/51g internal calibration
        0. 1mg/0.01mgAutomatic internal calibration
        +Compare
        Shangtian Jingyi FA2004C Electronic Balance Balance Scale 200g/0.1mg
        $734.00 SE
        Shangtian Jingyi FA2004C Electronic Balance Balance Scale 200g/0.1mg
        0.1(mg)Internal calibrated
        +Compare
        AB124C Electronic Balance Electronic Balance 120g/0.1mg
        $992.00 SE
        AB124C Electronic Balance Electronic Balance 120g/0.1mg
        0.1mgInternal calibrated
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        Electronic Balance external calibration
        $875.00 SE
        Electronic Balance external calibration
        0.1(mg)All models have external calibrating function, optional automatic internal calibrating model (product model includes C)
        +Compare
        Shangtian Jingyi FA2004 million Electronic Balance Laboratory analytical balance 200g/0.1mg
        $508.00 SE
        Shangtian Jingyi FA2004 million Electronic Balance Laboratory analytical balance 200g/0.1mg
        0.1(mg)Externally calibrated
        +Compare
        Seiji FA2204 million Electronic Balance Experimental analytical balance 220g/0.1mg
        $508.00 SE
        Seiji FA2204 million Electronic Balance Experimental analytical balance 220g/0.1mg
        0.1mgExternally calibrated
        +Compare
        ABS 3.24 million Electronic Balance Electronic Precision Balance 320g/0.1mg
        $1274.00 SE
        ABS 3.24 million Electronic Balance Electronic Precision Balance 320g/0.1mg
        0.1mgExternally calibrated
        +Compare
        Shangtian Jingyi AE124C 1/10,000 Electronic Balance Electronic Balance 120g/0.1mg
        $875.00 SE
        Shangtian Jingyi AE124C 1/10,000 Electronic Balance Electronic Balance 120g/0.1mg
        0.1(mg)Internal calibrated
        +Compare
        AB524C Electronic Balance Analytical balance 520g/0.1mg
        $2872.00 SE
        AB524C Electronic Balance Analytical balance 520g/0.1mg
        0.1mgInternal calibrated
        +Compare
        Shangtian Jingyi FA1204C Electronic Balance Laboratory Balance 120g/0.1mg
        $706.00 SE
        Shangtian Jingyi FA1204C Electronic Balance Laboratory Balance 120g/0.1mg
        0.1(mg)Internal calibrated
        +Compare
        Shangtian Jingyi FA3204 million Electronic Balance Laboratory High accuracy Balance 320g/0.1mg
        $790.00 SE
        Shangtian Jingyi FA3204 million Electronic Balance Laboratory High accuracy Balance 320g/0.1mg
        0.1(mg)Externally calibrated
        +Compare
        Tiantian Jingyi AB 1/5.24 million Electronic Balance 1/10,000 Analytical balance 520g/0.1mg
        $2684.00 SE
        Tiantian Jingyi AB 1/5.24 million Electronic Balance 1/10,000 Analytical balance 520g/0.1mg
        0.1mgExternally calibrated
        +Compare
        AB224C Electronic Balance automatic internal calibration analytical balance 220g/0.1mg
        $1086.00 SE
        AB224C Electronic Balance automatic internal calibration analytical balance 220g/0.1mg
        0.1mgInternal calibrated
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        HUAZHI PTX-FA210 0.1mg analytical balance range 210g
        $872.00 SE
        HUAZHI PTX-FA210 0.1mg analytical balance range 210g
        210g0.1mgExternal Calibration
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        Seiji AE 1.24 million Electronic Balance High accuracy Electromagnetic Force Sensors 0.1mg
        $706.00 SE
        Seiji AE 1.24 million Electronic Balance High accuracy Electromagnetic Force Sensors 0.1mg
        0.1(mg)Externally calibrated
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