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Fertilizer - East Africa {EAC} PT scheme

[Fertilizer - East Africa {EAC} PT scheme]

EPTIS factsheet 151412 | Last revision 2024-05-13 | URL: https://www.eptis.bam.de/pts151412 https://www.eptis.bam.de/pts151412

PT provider
PT provider TBS Tanzania Bureau of Standards TBS Tanzania Bureau of Standards
Based in Tanzania
Language(s) English
Remarks For labs within the East African Community (EAC) region, they will pay only 220 US$, while for labs outside the EAC region, they will pay 220 $ + courier charges. Registration is open until 15th July 2024. The PT samples will be sent to participants in September 2024. The PT rest portions will be available for USD 50 + Courier charges.
Keywords
Product groups Agriculture
Testing fields Analytical chemistry
Technical details
Test item Tested property Testing method
Fertilizer Total Phosphorus Total phosphorous by a gravimetric method using Quinoline phosphomolybdate solution @ 250 oC
Moisture Loss of weight by Vacuum Method
Potassium content as K2O Determination of potassium by precipitation of potassium ions by excess Sodium Tetraphylborate (NaTPB) in a weakly alkaline medium.
Total Nitrogen Back titration of excess acid after displacement of ammonia using an excess Sodium hydroxide
Ammoniacal Nitrogen Back titration of excess acid after displacement of ammonia using an excess Sodium hydroxide after distillation of ammonia from alkaline solution.
Nitrate Nitrogen Back titration of excess acid after displacement of ammonia using an excess Sodium hydroxide after distillation of ammonia from alkaline solution.
Aims of the PT scheme
Target group of participants All testing laboratories, There is no restrictions
Linked to specific legislation / standards
Additional, subsidiary aims Building Competency of the participating laboratories
Number of participants 18 - 30 Participants per round
Accredited or otherwise reviewed by a 3rd party

Operating as per ISO 17043:2023 and recognized by the East African Community (EAC)

Operation is commissioned / requested by East Africa Community (EAC)
Fees and frequency
Participation fee 220 US $
Regularly operated Yes (Annually)
Year of first operation 2014
Contact details of the PT provider
Provider Contact person
TBS Tanzania Bureau of Standards
P.O.Box 9524, Morogoro / Sam Nujoma Roads, Ubungo
Dar es Salaam
Tanzania

Phone: +255 22 2450298 (or -2450206 / 2450949)
Fax: +255 22 2450959
Web: http://www.tbs.go.tz http://www.tbs.go.tz
Ms. Julieth Machenje
Phone: +255 756 675 875
Fax: +255 22 2450959
Email: julieth.machenje@tbs.go.tz julieth.machenje@tbs.go.tz
If you find any mistakes please contact the responsible EPTIS coordinator in Tanzania, Mr Donald Masuku. Mr Donald Masuku.
Any questions or problems? Please contact us at eptis@bam.de.
Application version: 1.23-SNAPSHOT.20230502124635-7925ae379a631fc1ececff45d2921c8db38877d5