標(biāo)準物質(zhì)一站式采購平臺
Product Name: Benzo(A)Pyrene
Chemical Structure:
CAS Number: 50-32-8
Molecular Formula: C20H12
Molecular Weight: 252.31
Storage: 18-24°C Dark and sealed
Appearance: Yellow-Green Powder
Identification: HNMR
Assay: 96.3%
Uncertainty: ±2.0%
1. Identification
1.1. HNMR
2. Loss on Drying
2.1. TGA
3. Final Result
Method: TGA
Results: 0.1359%
Loss on Drying: 0.1359%
Assay (qNMR): 96.3%
Uncertainty: ±2.0%
Comment: Assay was determined by quantitative 1H-NMR
The uncertainty values are the expanded uncertainty and represent an estimated standard deviation equal to the positive square root of the total variation of the uncertainty of components. A normal distribution is assumed and a coverage factor of K=2 is chosen using approximately a 95% confidence level.
注:以上信息僅供參考,以產(chǎn)品附帶證書為準。
小麥粉中苯并(a)芘質(zhì)控樣品
編號:SHAM_233903 CAS號:50-32-8 規(guī)格:20g 濃度:3.67μg/kg
苯并(a)芘
編號:CDCT-C20635000 CAS號:50-32-8 規(guī)格:10mg 濃度:純品型,有證書
苯并(a)芘
編號:CPAH111501 CAS號:50-32-8 規(guī)格:10mg 濃度:95.8%
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