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Purgeable Organic Compounds - Supplement - 524.2 100ug/ml in Methanol:Water (95:5)
Pymetrozin 标准品
羟基芬苯达唑-D3
VOC混标15
磺吸磷 标准品
克线磷溶液, 100ppm
3-Methyl octane
QUARTZ (particle size 160 - 630 microns) 标准品
盐酸异丙嗪
2.4.6-Trichlorobiphenyl Solution 100ug/ml in Hexane (无证书)