1.09147
Sodium thiosulfate solution
c(Na₂S₂O3 5 H₂O) = 0.1 mol/l (0.1 N), reag. Ph. Eur., reag. USP, ready-to-use volumetric solution for titration, Titripur®
동의어(들):
Antichlor
크기 선택
제품정보 (DICE 배송 시 비용 별도)
제품 이름
Sodium thiosulfate solution, c(Na2S2O3 5 H2O) = 0.1 mol/l (0.1 N), Titripur®, reag. Ph. Eur., reag. USP
Quality Level
agency
reag. Ph. Eur., reag. USP
product line
Titripur®
form
liquid
quality
Analyzed in our ISO 17025 accredited QC lab
reaction suitability
reaction type: Redox Reactions
packaging
Titripac® of
concentration
0.1 M
technique(s)
titration: suitable
pH
9-10 (20 °C in H2O)
density
1.01 g/cm3 at 20 °C
storage temp.
15-25°C
Application
- The para-chloroaniline prevention after the use of sodium thiosulfate as an intermediary irrigator between sodium hypochlorite and chlorhexidine.: This study evaluates the neutralization of sodium hypochlorite by sodium thiosulfate to prevent para-chloroaniline formation when combined with chlorhexidine. It provides insights into the optimal concentrations of sodium thiosulfate for safe and effective usage in analytical applications involving these chemicals (Endocrinology and Disorders, 2020).
Features and Benefits
This volumetric solution is analyzed by our calibration laboratory D-K-15185-01-00 which is accredited according to DIN EN ISO/IEC 17025 for analysis of amount-of-substance concentrations in volumetric solutions by DAkkS (Deutsche Akkreditierungsstelle - German National Accreditation Body). The accreditation certificate can be found at www.sigmaaldrich.com/ISO17025.
Packaging
Titripac® packaging - all SKU-pack size numbers ending "4000, 4003, 9010, 9013" - more information on www.sigmaaldrich.com/Titripac
Analysis Note
Amount-of-substance concentration 0.0995 - 0.1005 mol/L
Measurement uncertainty ± 0.0003 mol/L
Traceability NIST SRM
The concentration is determined by volumetric titration and refers to 20°C.
The amount-of-substance concentration of this volumetric solution is traceable to a primary standard reference material (SRM) from the National Institute of Standards and Technology, Gaithersburg, USA (NIST SRM 136 potassium dichromate) by means of volumetric standard potassium iodate (article number 1.02404), certified reference material according to ISO 17034, analyzed by our accredited calibration laboratory of Merck KGaA, Darmstadt, Germany according to DIN EN ISO/IEC 17025. The uncertainty is expressed as expanded measurement uncertainty with a coverage factor k=2 covering a confidence level of 95%.
Note: The titer is a correction factor to correct for variations of the volumetric solution, the titration equipment, the temperature and other laboratory conditions. For correct titration results it is recommended to determine a titer with the laboratory specific equipment and under laboratory specific conditions directly after opening a new bottle and at regular time intervals.
Other Notes
Legal Information
저장 등급
12 - Non Combustible Liquids
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.
프로토콜
Preparation of a standard solution for Formaldehyde
Preparation of a standard solution for Sulfide
Formaldehyde용 표준용액 조제
문서
Application Note details preparation of peracetic acid standard solution for analytical quality assurance (AQA) in testing laboratories.
관련 콘텐츠
칼 피셔 적정은 원료와 제품의 수분 함량을 측정하는 것으로, 널리 사용되는 분석 방법입니다.
Karl Fischer titration determines water content in raw materials and products, a widely used analytical method.
국제 무역 품목 번호
| SKU | GTIN |
|---|---|
| 1091471003 | 04054839633430 |
| 1091479013 | 04054839633454 |
| 1091471000 | 04022536111247 |
| 1091474000 | 04027269029814 |
| 1091474003 | 04054839633447 |
| 1091479010 | 04022536111261 |