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2-氯-L-苯丙氨酸
28种VOC混标(GB 14848-2017)
ASTM-THERMOMETER (SOLID STEM), WIHT CELSIUS-SCALE RANGE, YELLOW ENAMELLED, ASTM TYPE: SOLVENTS D
UBBELOHDE-VISCOSIMETER, CALIBRATED, DIN 51562, ISO 3105, BS 188, NF T 60-100, SAMPLE CAPACITY 15
甲醇中1,1,1-三氯乙烷标准溶液
滴定管,SILBERBRAND, B级,50:0.1 ml,直滴型滴定阀,棕色
p-(Allyloxy)benzaldehyde
Retort clamp, cast iron green lacquered, length 150 mm, opening up to ? 15 mm, with angular/plate jaws, cork lined
3,5-二硝基苯甲酸甲酯,Standard for quantitative NMR, TraceCERT