Toxic starch maleic acid-maleic acid detection solution

Grease-containing sample: 0.5g instant noodles were crushed, mixed with 5mL water vortex, ultrasonic 15min, centrifuged at 4000r / min, 1mL supernatant was added to 50mg C18 QuEChERS special ultra-clean filler, centrifuged at 4000r / min, supernatant was taken too hydrophilic PTFE needle filter, sample loading. Simple and fast

Matt Finish PVC Edge Banding

Matt Finish Pvc Edge Banding,Pattern Pvc Edge Banding Tape,Matt Finish Pvc Banding,Pattern Pvc Edge Banding

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