化学试剂- (美国)ChemService
- (美国)PerkinElmer
- (美国)AccuStandard
- (美国)ThermoFisher
- (德国)Dr.Ehrenstorfer
- (澳大利亚)Glass Expansion
- GENIUS
- BOJNSCI
- BCR/IRMM
- CPAchem
- 阿拉丁试剂
- Wellington
- Strem Chemicals
- METTLER 梅特勒
- Sigma-Aldrich
- GDANA格丹纳
- (美国)MICRO
- 欧洲ERM标准品
- 迪康(DECON)
- (美国)Bemis
- IL
- Swann-Moston
- NIST SRM
- LGC
- 比利时
- BON | 渤恩
- (中国)KRLAB
- (日本)雅马拓Yamato
- OHAUS | 奥豪斯
- J.T.Baker/VWR/Avantor
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BCR-361ZnAl4Cu1 (trace elements)
0.7 kg disc
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BCR-355ZnAl4 (trace elements)
0.7 kg disc
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BCR-356ZnAl4Cu1 (trace elements)
0.7 kg disc
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BCR-357ZnAl4Cu1 (trace elements)
0.7 kg disc
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BCR-352ZnAl4 (trace elements)
0.7 kg disc
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BCR-354ZnAl4 (trace elements)
0.7 kg disc
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BCR-341BENZO (b) NAPHTHO (2,1-d) FURAN (purity)
10 mg
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BCR-349COD LIVER OIL (PCB
2 g
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BCR-351ZnAl4 (trace elements)
0.7 kg disc
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BCR-348RHUMAN SERUM (high progesterone)
1 ampoule
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BCR-342BENZO (a) FLUORENONE (purity)
10 mg
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BCR-327UNALLOYED ZINC (disc) (trace elements)
0.7 kg disc
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BCR-339BENZO (c,d) PYREN-6-ONE (purity)
10 mg
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BCR-332HIGH VOLATILE INDUSTRIAL COAL (S)
20 g
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BCR-340BENZO (b) NAPHTHO (1,2-d) FURAN (purity)
10 mg
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BCR-337DIBENZO (b,d) FURAN (purity)
10 mg
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BCR-336HIGH VOLATILE STEAM COAL (S)
20 g
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BCR-326UNALLOYED ZINC (disc) (trace elements)
0.7 kg disc
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BCR-331LOW VOLATILE STEAM COAL (S)
20 g
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BCR-318TITANIUM (H)
20 g (100 discs)
