Turbidity-WS

产品说明

一般描述

Turbidity - WS proficiency testing material is produced in accordance with ISO/IEC 17043:2010. Also referred to as Potable water or Water Supply sample, this sample is produced according to TNI requirements. However, please note, this sample may include non-TNI analytes as well. The lower criteria from the TNI tables mimic the levels common to drinking water samples. The PT portfolio allows our test components to offer significant performance data to monitor and prove competency to customers, accreditation bodies or both.

Supelco^® is a global proficiency testing (PT) provider that manufactures best-in-class environmental and pharmaceutical PT products. Most water PT samples are available as concentrates or ready-to-use volumes giving the end-user flexibility in selecting samples that will fit their exact needs. Our WS program is designed to meet the quality assurance requirements in compliance with the Safe Drinking Water Act (SDWA), thereby ensuring the analytical competence of your laboratory or drinking water facility.

Type of PT Scheme: Water Analysis - Water Supply (WS)

Matrix: Water Supply/Drinking Water

Analyte/s: Values of analytes vary lot to lot.

All information regarding the use of Turbidity - WS can be found in the reporting packet which will be available to download at PT Portal.

应用

WS - Turbidity as a proficiency testing material finds applications in Drinking water testing. It serves as a measure to assess the quality of water by determining the presence of contaminants in water samples. The turbidity of drinking water is measured by means of light transmission using standard light sources and expressed in nephelometric turbidity units (NTUs).

Have any questions? Explore our FAQs.
For more information on this product, please contact our PT Service Team.

特点和优势

We have a vast portfolio of environmental PT schemes with "fit-for-purpose" samples to help you meet the needs of the laboratory.
Our proficiency testing (PT) program is a benchmark to:

• provide staff with an insight into their laboratory′s performance, to verify the accuracy and reliability of their testing process
• provide a comparison of performance with that of other laboratories, nationally and internationally
• test and educate staff, provide a better understanding of the impact of incorrect results and identify areas where there may be problems
• provide an independent evaluation of laboratory performance
• demonstrate to clients, colleagues and accreditation bodies that there is a commitment to quality

制备说明

Description

• This PT sample is packaged as a 2 mL concentrate.
• The solvent for this sample is water.
• The PT sample is not preserved.

• This is a unique preparation, and the ampule has to be inverted 3 times before opening it.
• Partially fill a 1000 mL volumetric flask with reagent-grade water (near 20 ℃).
• Open ampule PE1342-2ML (be careful to avoid cuts on glass) and transfer 1.0 mL of concentrate to the volumetric flask.
• Fill the volumetric flask to volume with reagent-grade water and mix well.
• Calibrate your instrument as directed by the manufacturer.
• Ensure that the solution is thoroughly mixed immediately prior to analysis.

储存及稳定性

Please refer to sample label for expiration date, specific storage temperature, and specific storage conditions.

其他说明

Are you new to Supelco^® Proficiency Testing? Be sure to register your account details in the PT Portal before placing your order.
This will provide access to data entry, reporting packets and final reports. Registrations will be approved shortly after your order is placed. For further questions, write to us at ptservice@milliporesigma.com.

When placing your order online, please indicate your study preference under the ′your reference′ column. Available studies can be viewed at the bottom of the page.
Click here to learn more about Quick-Turn Studies (on-demand proficiency tests that are offered depending on lot availability). The Quick-Turn results are released within 48-72 hours whereas scheduled study reports are released within 21 days.

Proficiency testing samples are presented as single blind. No values for the samples are released until the testing period concludes.

Proficiency Testing Schedule (2021-2022)

Drinking Water
WS21-2March 24 - May 7, 2021
WS21-4 September 22 - November 5, 2021

WS22-2March 23 - May 6, 2022
WS22-4 September 21 - November 4, 2022

法律信息

Supelco is a registered trademark of Merck KGaA, Darmstadt, Germany

产品性质

安全信息

象形图
警示用语：	Danger
危险声明	H315 - H317 - H319 - H350 - H411
预防措施声明	P202 - P273 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
危险分类	Aquatic Chronic 2 - Carc. 1B - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1
储存分类代码	6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable