G/TBT/N/UGA/1335  
8 June 2021  
(21-4648) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member:  UGANDA   
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:   
Uganda National Bureau of Standards  
Plot 2 -12 ByPass Link, Bweyogerere Industrial and Business Park  
P.O. Box 6329  
Kampala, Uganda  
Tel: +(256) 4 1733 3250/1/2  
Fax: +(256) 4 1428 6123  
E-mail: info@unbs.go.ug  
Website: https://www.unbs.go.ug  
Name and address (including telephone and fax numbers , email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indicated if dif ferent from above:   
3. Notified under Article 2.9.2 [X], 2.10.1 [   ], 5.6.2 [X], 5.7.1 [   ], other :  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  
Polyamines; Acyclic polyamines and their derivatives; salts thereof (excl. ethylenediamine 
and hexamethylenediamine, and their salts) (HS 292129); Chemicals for purification of 
water (ICS 71.100.80)  
5. Title, number of pages and language(s) o f the notified document:  DUS 926:2021, 
Chemicals used for treatment of water intended for human use — Polyamines — 
Specification, Second Edition (24 page(s), in English)  
6. Description of content:  This Draft Uganda Standard specifies the requirements and 
methods of sampling and test for polyamines used for water treatment intended for 
human use.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Consumer information, labelling; Prevention of deceptive practices and 
consu mer protection; Protection of human health or safety; Quality requirements  
8. Relevant documents:   
1. G/TBT/N/UGA/289  
2. ISO 3165, Sampling of chemical products for industrial use — Safety in 
sampling    
3. ISO 3696, Water for analytical laboratory use — Specification and test methods    
4. ISO 6206, Chemical products for industrial use — Sampling — Vocabulary    G/TBT/N/UGA/1335  
 
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  5. ISO 8213, Chemical p roducts for industrial use — Sampling techniques — Solid 
chemical products in the form of particles varying from powders to coarse lumps  
6. ISO 1392, Determination of crystallizing point — General method  
7. ISO 3146:2000, Plastics — Determination of melting be haviour (melting 
temperature or melting range) of semi -crystalline polymers by capillary tube 
and polarizing -microscope methods  
8. ASTM D2879 - 86, Standard Test Method for Vapor Pressure -Temperature 
Relationship and Initial Decomposition Temperature of Liqu ids by Isoteniscope  
9. ASTM E537 - 20, Standard Test Method for Thermal Stability of Chemicals by 
Differential Scanning Calorimetry  
10. ASTM E1269 – 11, Standard Test Method for Determining Specific Heat Capacity 
by Differential Scanning Calorimetry  
11. US 1847:2017, Standard Test Methods for Speciﬁc Gravity, Apparent, of Liquid 
Industrial Chemicals  
12. SANS 51409:2007, Chemicals used for treatme nt of water intended for human 
consumption — Polyamines  
13. US 926: 2012, Chemicals used for treatment of water intended for human 
consumption — Polyamides — Specification  
9. Proposed date of adoption:  November 2021  
Proposed date of entry into force:  Upon declaration as mandatory by the Minister for 
Trade, Industry and Cooperatives.  
10. Final date for comments:  60 days from notification  
11. Texts available from:  National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available , of other body:   
Uganda National Bureau of Standards  
Plot 2 -12 ByPass Link, Bweyogerere Industrial and Business Park  
P.O. Box 6329  
Kampala, Uganda  
Tel: +(256) 4 1733 3250/1 /2 
Fax: +(256) 4 1428 6123  
E-mail: info@unbs.go.ug  
Website: https://www.unbs.go.ug  
https://me mbers.wto.org/crnattachments/2021/TBT/UGA/21_3926_00_e.pdf