1.02410
Calcium carbonate
volumetric standard, secondary reference material for complexometry, traceable to NIST Standard Reference Material (SRM) Certipur®
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제품정보 (DICE 배송 시 비용 별도)
Linear Formula:
CaCO3
CAS 번호:
Molecular Weight:
100.09
UNSPSC Code:
41116107
NACRES:
NA.24
EC Index Number:
207-439-9
MDL number:
Beilstein/REAXYS Number:
8008338
Quality Level
agency
ISO 17025, ISO 17034
form
solid
potency
6450 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rat)
technique(s)
titration: suitable
pH
9.5-10.5 (20 °C, 100 g/L in H2O, slurry)
mp
825 °C (decomposition)
density
2.93 g/mL at 25 °C (lit.)
bulk density
300‑1400 kg/m3
storage temp.
15-25°C
SMILES string
[Ca++].[O-]C([O-])=O
InChI
1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
InChI key
VTYYLEPIZMXCLO-UHFFFAOYSA-L
General description
Calcium carbonate volumetric standard is manufactured under stringent conditions and measured with the highest possible precision. Its mass fraction is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory.
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
In our effort to be more sustainable, we′re going digital with COAs-download them directly from our website. Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.
In our effort to be more sustainable, we′re going digital with COAs-download them directly from our website. Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.
Application
It finds its use as a certified reference material (CRM) for the standardization of volumetric solutions in complexometric titrations.
Features and Benefits
- Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
- Certified reference material according to ISO 17034
- High-purity material traceable to NIST SRMs
- Qualified in a DIN EN ISO/IEC 17025 accredited laboratory
- High-quality offering accurate titer determinations
Packaging
SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals
Legal Information
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
저장 등급
13 - Non Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
시험 성적서(COA)
제품의 로트/배치 번호를 입력하여 시험 성적서(COA)을 검색하십시오. 로트 및 배치 번호는 제품 라벨에 있는 ‘로트’ 또는 ‘배치’라는 용어 뒤에서 찾을 수 있습니다.
문서
The titer determination or standardization of a titration solution is essential for accurate and reliable titration results.
국제 무역 품목 번호
| SKU | GTIN |
|---|---|
| 1024100050 | 04022536687643 |
| 1024100053 | 04054839568701 |