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SAM-204

Ix-xema’
Kampjunar

Ix-xema’
Id-Definizzjoni

(lista ta’ kodiċijiet SA koperti minn din il-karta)		 Prodotti tax-xema’ li huma pejsts jew solidi ferm viskużi, bħall-vażelina, xema’ tal-paraffina, xema’ tal-pitrolju mikrokristallina, xema’ tan-naħal jew bitum.

Pasty products such as casein, gelatin and dextrins are also covered in this card.

Waxy products in the form of (fine) powder, see specific card ‘Chemicals, solid’.

Liquid waxes, see specific cards ‘Petroleum liquids’ and ‘Chemicals, liquids’.

For products in retail sale packages see specific card ‘Retail packages and finished articles’.


Ix-xema’
Il-kwantità minima rrakkomandata għal kull kampjun

 0,25 kg
L-istandards applikabbli (ISO u Normi tal-UE) u l-leġiżlazzjoni rilevanti

 Għandek tirreferi wkoll għal-leġiżlazzjoni nazzjonali u l-linji gwida nazzjonali tiegħek rigward il-kampjunar.

It-tagħmir meħtieġ
L-għodda ssuġġerita għat-teħid tal-kampjuni skont il-metodu użat
  • Għodda għat-teħid tal-kampjuni bil-pistun (L05-01)
  • Għodda għat-teħid tal-kampjuni f’għamla ta’ trabuxù (S04-01)
  • Għodda għat-teħid ta’ kampjuni f’għamla ta’ trapan żgħir (E02-01)
  • General tools: knife, (metal) spatula
  • Sampling scoop (L04-01)
  • Sampler for frozen goods (E01-01)
  • Pipeline sampler (L06-01)
Il-kontenituri li għandhom jintużaw għat-teħid tal-kampjuni
  • Kontenituri tal-metall (M01)
  • Fliexken tal-ħġieġ (G01)
  • Fliexken tal-plastik (P03 jew P04)
Il-prekawzjonijiet ta’ sigurtà u valutazzjoni tar-riskju Jekk jogħġbok irreferi għal-leġiżlazzjoni nazzjonali tiegħek u l-linji gwida nazzjonali tiegħek dwar is-saħħa u s-sigurtà. See SDS if available.

  • Ilbes ingwanti protettivi u nuċċali ta’ protezzjoni.
  • Taħt il-kundizzjonijiet normali tal-użu, ix-xema’ ma tippreżentax xi perikli partikolari għas-saħħa ħlief meta tkun sħuna. Ix-xema’ li tkun solida f’temperaturi ambjentali tista’ tiġi ttrasportata f’temperaturi għolja (attent għat-temperaturi ta’ 50–70 °C) sabiex it-tagħbija jew il-ħatt mit-tankijiet ikun aktar faċli. There is a risk of skin burns and eye damage if boiling spray comes into contact with the mucous membranes or the eyes.
  • If splashed with hot product, wash immediately with abundant cold water to relieve the burning and obtain medical assistance immediately.
  • Tippruvax tneħħi l-prodott jaħraq minn fuq il-ġilda jew tneħħi ħwejjeġ li jkunu weħlu mal-ġilda minħabba l-prodott.
  • Materjal b’riskju baxx li jaqbad. Il-prodott jista’ jifforma taħlitiet li jaqbdu u jinħaraq biss jekk jissaħħan aktar mill-punt meta jaqbad tiegħu. Madankollu, il-preżenza ta’ kwantitajiet żgħar ta’ idrokarboni aktar volatili jistgħu jkabbru dan ir-riskju.
For more information see chapter Health and Safety.


Il-pjan għat-teħid tal-kampjuni
It-tip ta’ kunsinna Proċedura
Consignment for customs clearance The aggregate sample consists of an appropriate number of incremental samples. When you are satisfied the consignment is homogeneous, one incremental sample is usually taken as representing the goods covered by the same customs declaration.

Kun żgur li l-prodott li tiegħu tkun qed tieħu l-kampjun ma jinbidilx bil-proċess ta’ teħid ta’ kampjuni. ISSAĦĦANX il-kampjuni mill-ġdid peress li dan jista’ jaffettwa l-proprjetajiet tal-kampjun — telf tal-elementi volatili jew bidla fiżika/kimika minħabba tisħin żejjed.

Bulk products - loose in tank, tanker truck, reservoir wagon, drums, tank cars — heated Form one aggregate sample from three or more incremental samples, taken from at least three heights: approximately 15 % from the bottom, half-way up and approximately 15 % from the top surface of the product in each lot. Check the homogeneity of the lot — if the homogeneity is in doubt, take more incremental samples.

Where the product is heated above 40 degrees, consider whether the consignment should be treated as dangerous goods and the sampling to be carried out by specially trained officers or a contractor. You should only proceed if you are satisfied that you have appropriate PPE and sampling equipment and can carry out the sampling safely.

Warning: do not allow the product to cool in the tank or drums because it may be extremely difficult do remove the product if it solidifies.

Bulk products - loose in tank, tank truck, reservoir wagon, drums, tank cars — not heated (ambient temperature) Take one aggregate sample. If the product is in the form of a creamy paste or hard paste, take a number of incremental samples, dependent on the homogeneity in each lot. Check the homogeneity of the lot — if the homogeneity is in doubt, take more incremental samples. Different products or lots have to be sampled separately.

  • Products in highly viscous liquid state: before sampling, draw off an appropriate quantity of product, to prime the sampling circuit and valve. If the container has been unused for a long time, it is good practice to re-circulate the product before taking samples.

  • Products in solid state: do not heat the product and use a hand drill sampler (E02-01) or a sampler for frozen goods (E01-01).

  • Products in the form of a creamy paste: do not heat the product and use a spiral sampler (S04-01) or sampling scoop (L04-01) to take several samples at various positions and depths in the mass, to ensure that the sample is as representative as possible. After taking the samples from the mass, prepare the composite sample in a metal bucket by mixing vigorously with the metal spatula and transfer the samples in appropriate containers.

    • If the product is in the form of a hard paste, use a spiral sampler S04-01 to take several samples at various positions and depths in the mass, to ensure that the sample is as representative as possible. After taking the samples from the mass, prepare the composite sample in an appropriate bucket by breaking up and mixing the cores of product with the metal spatula and transfer the samples in appropriate containers.
Barrels, crates, small containers — heated/not heated Take one aggregate sample. Equal quantities of incremental samples are taken from different transport containers found at different positions in the transport vehicle or in the storage facility by random selection or systematically. Check the homogeneity of the lot — if the homogeneity is in doubt, take more incremental samples. Different products or lots must be sampled separately.

Bulk being moved with a conveyor or other flowing product during filling or emptying Take one aggregate sample from incremental samples, taken across the whole diameter of the stream, at intervals determined by the moving speed during filling or emptying of a tank, tanker truck or reservoir wagon. Use a pipeline sampler L06-01. Connect the filling/emptying pipe with a sampling accessory, consisting of a tap (whether or not heated), which draws incremental samples from the centre of the flow. Several samples should be taken at regular intervals throughout the transfer process. After taking the samples, quickly prepare the aggregate sample in an appropriate metal bucket by mixing vigorously and transfer the samples in appropriate containers.


Immaniġġjar tal-kampjuni
Kummenti ġenerali
  • In principle the minimum quantity of identical final samples, required by the laboratory according to your national guidelines, should be enough, providing you are satisfied the product is homogenous.
  • When possible, take a sample directly into the sample bottle. This reduces the possibility of air absorption, loss of vapours, and contamination.
  • If a mixing vessel is used, all incremental samples from all sampling spots are collected and after they have been thoroughly mixed, an aggregate sample is created.
  • The sample bottle should be filled leaving a small space for expansion due to heat. Samples where the moisture content may affect the analysis must be packed in moisture-tight containers with an airtight closure and must be filled completely.
  • After obtaining the sample, close the bottle immediately with a tight-fitting stopper and check the tightness (leakage test).
  • The sample should be handled and packaged in a well-ventilated place or outdoors.
  • Sampling of heated liquids: The containers are left to cool down before closing. Do NOT re-heat samples as this may affect the properties of the sample — loss of volatile elements or physical/chemical change due to over-heating.
Il-formola għat-teħid tal-kampjuni
  • Imla l-formola għat-teħid tal-kampjuni. Kopja għandha tkun mehmuża mal-kampjuni u kopja oħra għandha tinżamm fir-reġistri. Mention if the sample was taken under heated conditions.
It-trasport
  • Preferably at ambient temperature. Jekk ikun meħtieġ żommhom fi friġġ skont it-tikketta tal-prodott (kaseini, destrini, lamti modifikati, eċċ.).
Il-ħażna
  • Preferably at ambient temperature. Jekk ikun meħtieġ żommhom fi friġġ skont it-tikketta tal-prodott (kaseini, destrini, lamti modifikati, eċċ.). Jekk jiġu mkessħa biex tkun tista’ taħżinhom it-temperatura għandha tiġi ssorveljata u rreġistrata.

Ix-xema’ (espandi l-lista)
In-Numru tal-HS Id-Deskrizzjoni


Ir-Reviżjonijiet
Il-Verżjoni Id-Data Il-Bidliet
1.0 12.10.2012 L-ewwel verżjoni
1.1 15.01.2021 Update - New template and total text revision