Rubber Research Institute of Sri Lanka

Ministry of Agriculture and Plantation Industries



Our Services

All Research and Extension departments of RRISL provide advice on all aspects of rubber agronomy and technology to stakeholders.In addition it also assists academic programs of universities and other higher education institutions by supervising students and human resource development programs of various other organizations by training teachers and stakeholders.When analytical services are provided, a nominal fee is charged to cover up basic costs.

 

Laboratory Tests

The following laboratory tests are carried out by the Rubber Research Institute of Sri Lanka.

No. Name of the Test
1 Dry Rubber Content  (DRC)
2 Total Solid Content   (TSC)
3 Volatile Fatty Acid No
4 Mechanical Stability Time
5 Alkalinity  (on latex phase)
6 KOH Number
7 Viscosity  (Brookfield)
8 Mg Content
9 pH
10 Coagulum Content
11 Chemical Stability Time 
12 Phosphate Content (*)
13 Dirt Content 
14 Ash Content
15 Volatile Matter Content
16 Nitrogen Content
17 Plasticity Number
18 Plasticity Retention Index
19 Mooney Viscosity
20 Colour
21 Gel Content
22 Acetone Extraction
23 Accelerated Storage Hardening Test  ( ∆ P)
24 Strength of Sodium Sulphite
25 Strength of Sodium bi-sulphite (S-meta bi-sulphite)
26 Strength of Oxalic Acid
27 Strength of Formic Acid
28 Thickness (polythene)
29 Strength of Ammonia 
30 Strength of Sulphuric 
31 Ethephon concentration
32 Latex diagnosis (10 replicates)
33 Site Specific Fertilizer Recommendation
  Fertilizer/Leaf/ Compost (Total digestions)
34 N,P,K,Mg
35 N
36 P
37
38 Mg
39 Ca
40 Soil N
41 Soil P
42 Soil K
43 Soil Mg
44 Soil Ca
45 Soil micronutrient or other 
46 pH
47 Organic Carbon
48 Moisture content
49 Particle size
50 CEC
51 Soil Texture
52 Gravel
   
53 FTIR analysis per sample
54 TGA analysis per sample
55 DSC analysis per sample (if liquid nitrogen is not used)
56 DSC analysis per sample (if liquid nitrogen is used)
57 DMA analysis per sample (if liquid nitrogen is not used)
58 DMA analysis per sample (if liquid nitrogen is used)
59 Tensile properties- without preparation of test pieces 
60 Tensile properties- with preparation of test pieces 
61 Tensile properties- with ageing (without preparation of test pieces )
62 Tensile properties- with preparation of test pieces & ageing
63 Tear strength- without preparation of test pieces 
64 Tear strength- with preparation of test pieces 
65 Tear strength- with ageing (without preparation of test pieces )
66 Tear  strength- with preparation of test pieces & ageing
67 Hardness- without preparation of test pieces 
68 Hardness- with preparation of test pieces
69 Hardness- with ageing (without preparation of test pieces )
70 Hardness- with preparation of test pieces & ageing
71 Hardness- with preparation of test pieces & ageing in water / ASTM oil
72 Abrasion volume loss- without preparation of test pieces
73 Abrasion volume loss- with preparation of test pieces
74 Compression set- without preparation of test pieces
75 Compression set- with preparation of test pieces
76 Compression set- with ageing (without preparation of test pieces)
77 Compression set- with preparation of test pieces & ageing
78 Specific gravity
79 Resilience- without preparation of test pieces
80 Resilience- with preparation of test pieces
81 Rubber Process Analyzer Test- Rheograph / Cure characteristics
82 Rubber Process Analyzer Test- Strain/ Frequency/ Temperature sweep
83 Peel strength
84 Swelling test at ambient temperature
85 Swelling test above ambient temperature / Change in volume with ageing
86 Compounding (Two roll mill- without material charges) per 1Kg
87 Compounding (Two roll mill- with material charges) per 1Kg
88 Compounding (Internal Mixer- without material charges) per 1Kg
89 Compounding (Internal Mixer- with material charges) per 1Kg
90 Identification of a diseased sample – up to genus level of the causative agent
91 Soil microbiological Test
92 Product microbiological Test
93 Quarantine test
94 Microbiological testing for Compost
95 Bioefficacy test (pesticide / biopesticide)
96 Purchasing microbiological cultures
97 Providing report for rubber land evaluation

 

 

රබර් සාම්පලයක් රසායනාගාරය වෙත යොමු කළ යුත්තේ කෙසේද?


For Information

  • Call 1919

Contact Info

  • Rubber Research Institute of Sri Lanka.
  • Dartonfield, Agalawatta. 12200
  • 034 - 2247426, 034 - 2247383
  • 034 - 2248459, 034 - 2295540
  • 034 - 2247427
  • dirrri@sltnet.lk