Basket
0
You have no items in your shopping basket.
Basket
0
You have no items in your shopping basket.

Macherey Nagel

  • Filtration / Extraction
  • Rapid Tests - Test papers, Test strips, pH-Fix including CE marked, QUANTOFIX
  • Water analysis - Photometric water analysis, VISOCOLOR, NANOCOLOR
  • Chromatography
Sort by

ADAMANT - The new TLC plate

Picture of ADAMANT - The new TLC plate
From
£83.87 (exc. VAT)

£100.64 (inc. VAT)
13 in range Details

AQUADUR Water Hardness Test Sticks

Picture of AQUADUR Water Hardness Test Sticks
From
£19.66 (exc. VAT)

£23.59 (inc. VAT)
4 in range Details

CELLULOSE 300,400 unmodified and modified TLC plates

Picture of CELLULOSE  300,400  unmodified and modified TLC plates
From
£172.99 (exc. VAT)

£207.59 (inc. VAT)
12 in range Details

Duotest Two-Zone Indicator Papers

Picture of Duotest Two-Zone Indicator Papers
From
£16.75 (exc. VAT)

£20.10 (inc. VAT)
12 in range Details

Hardness Total ECO type 100 tests VISOCOLOR 1 drop=1ºD

Picture of Hardness Total ECO type 100 tests VISOCOLOR 1 drop=1ºD
£36.55 (exc. VAT)

£43.86 (inc. VAT)
1 in range Details

LAB-TOP Bench Surface Protection Paper

Picture of LAB-TOP Bench Surface Protection Paper
From
£230.91 (exc. VAT)

£277.09 (inc. VAT)
3 in range Details

Litmus paper red reel of 5 m length. width: 7 mm

Picture of Litmus paper red reel of 5 m length. width: 7 mm
From
£13.83 (exc. VAT)

£16.60 (inc. VAT)
2 in range Details

Nanocolor Multistandard for Drinking Water 15 to 30 tests

Picture of Nanocolor Multistandard for Drinking Water 15 to 30 tests
£69.46 (exc. VAT)

£83.35 (inc. VAT)
1 in range Details

OTHER TEST STICKS AND TEST PAPERS

Picture of OTHER TEST STICKS AND TEST PAPERS
From
£36.70 (exc. VAT)

£44.04 (inc. VAT)
4 in range Details

PEHANON pH Indicator Strips

Picture of PEHANON pH Indicator Strips
From
£17.68 (exc. VAT)

£21.22 (inc. VAT)
14 in range Details

pH-Fix Indicator Strips Plop top Pack

Picture of pH-Fix Indicator Strips Plop top Pack
From
£15.00 (exc. VAT)

£18.00 (inc. VAT)
3 in range Details

Quantofix Indicator Paper

Picture of Quantofix Indicator Paper
From
£29.72 (exc. VAT)

£35.66 (inc. VAT)
47 in range Details

Silica gel ALUGRAM (Aluminium foil) precoated TLC sheets

Picture of Silica gel ALUGRAM (Aluminium foil) precoated TLC sheets
From
£42.46 (exc. VAT)

£50.95 (inc. VAT)
6 in range Details

Silica gel glass precoated TLC plates

Picture of Silica gel glass precoated TLC plates
From
£83.87 (exc. VAT)

£100.64 (inc. VAT)
13 in range Details

Silica gel POLYGRAM precoated TLC sheets

Picture of Silica gel POLYGRAM precoated TLC sheets
From
£42.46 (exc. VAT)

£50.95 (inc. VAT)
7 in range Details

Test Papers for Qualitative determinations of non metals

Picture of Test Papers for Qualitative determinations of non metals
From
£8.45 (exc. VAT)

£10.14 (inc. VAT)
22 in range Details

TLC precoated plates CHIRALPLATE size: 10x20 cm pack of 25

Picture of TLC precoated plates CHIRALPLATE size: 10x20 cm pack of 25
£529.45 (exc. VAT)

£635.34 (inc. VAT)
1 in range Details

TLC precoated plates RP-2 UV254 (silanized silica gel) ...more

Picture of TLC precoated plates RP-2 UV254 (silanized silica gel) thickness: 0.25 mm. size: 20x20 cm pack of 25
£315.84 (exc. VAT)

£379.01 (inc. VAT)
1 in range Details

TLC-Separation-Chamber for 2 simultaneous separationa, size ...more

Picture of TLC-Separation-Chamber for 2 simultaneous separationa, size 10 x 10 cm plates
£174.30 (exc. VAT)

£209.16 (inc. VAT)
1 in range Details

Tritest Triple-Zone Indicator Paper

Picture of Tritest Triple-Zone Indicator Paper
From
£15.38 (exc. VAT)

£18.46 (inc. VAT)
2 in range Details

Universal pH Indicator Paper

Picture of Universal pH Indicator Paper
From
£13.05 (exc. VAT)

£15.66 (inc. VAT)
5 in range Details

ALUGRAM-sheets ALOX N/UV 254 0,2mm 20 x 20 cm Pack of 25

Picture of ALUGRAM-sheets ALOX N/UV 254 0,2mm 20 x 20 cm Pack of 25
£102.09 (exc. VAT)

£122.51 (inc. VAT)
1 in range Details

Cellulose Adsorbent Powders for Column Chromatography

Picture of Cellulose Adsorbent Powders for Column Chromatography
From
£35.47 (exc. VAT)

£42.56 (inc. VAT)
2 in range Details

CHROMAFIL Membrane filters 0.45 µm for NANOCOLOR membrane ...more

Picture of CHROMAFIL Membrane filters 0.45 µm for NANOCOLOR membrane filtration kit refill pack of 50
£119.09 (exc. VAT)

£142.91 (inc. VAT)
1 in range Details

NANO Barcode test BOD5-TT

Picture of NANO Barcode test BOD5-TT
£87.81 (exc. VAT)

£105.37 (inc. VAT)
1 in range Details

NANO Barcode test HC 300

Picture of NANO Barcode test HC 300
£107.59 (exc. VAT)

£129.11 (inc. VAT)
1 in range Details

NANO Barcode test Potassium 50

Picture of NANO Barcode test Potassium 50
£84.35 (exc. VAT)

£101.22 (inc. VAT)
1 in range Details

NANO Barcode test Sulphate 200

Picture of NANO Barcode test Sulphate 200
£82.96 (exc. VAT)

£99.55 (inc. VAT)
1 in range Details

NANO Barcode test total Nitrogen 22

Picture of NANO Barcode test total Nitrogen 22
£112.18 (exc. VAT)

£134.62 (inc. VAT)
1 in range Details

NANO Barcode test total Phosphate 1

Picture of NANO Barcode test total Phosphate 1
£96.59 (exc. VAT)

£115.91 (inc. VAT)
1 in range Details

NANO Glass cell optical path: 50 mm

Picture of NANO Glass cell optical path: 50 mm
£163.90 (exc. VAT)

£196.68 (inc. VAT)
1 in range Details

NANO plastic tips f. 0.1-1.0ml pipettes

Picture of NANO plastic tips f. 0.1-1.0ml pipettes
£36.76 (exc. VAT)

£44.11 (inc. VAT)
1 in range Details

NANOCOLOR Aluminium 07 tube test range: 0.02-0.70 mg/L Al3+ ...more

Picture of NANOCOLOR Aluminium 07 tube test range: 0.02-0.70 mg/L Al3+  19 Tests
£60.16 (exc. VAT)

£72.19 (inc. VAT)
1 in range Details

NANOCOLOR Aluminium standard test range: 0.01-1.00 mg/L Al3+ ...more

Picture of NANOCOLOR Aluminium standard test range: 0.01-1.00 mg/L Al3+  250 Tests
£76.61 (exc. VAT)

£91.93 (inc. VAT)
1 in range Details

NANOCOLOR Ammonium Tests

Picture of NANOCOLOR Ammonium Tests
From
£66.68 (exc. VAT)

£80.02 (inc. VAT)
6 in range Details

NANOCOLOR Anionic surfactants 4 tube test range: 0.20-4.00 ...more

Picture of NANOCOLOR Anionic surfactants 4 tube test range: 0.20-4.00 mg/L MBAS;  0.20-3.50 mg/L SDS  20 Tests
£82.26 (exc. VAT)

£98.71 (inc. VAT)
1 in range Details

NANOCOLOR AOX 3 tube test range: 0.1-3.0 mg/L AOX; ...more

Picture of NANOCOLOR AOX 3 tube test range: 0.1-3.0 mg/L AOX;  0.01-0.30 mg/L AOX  20 Tests
£181.55 (exc. VAT)

£217.86 (inc. VAT)
1 in range Details

NANOCOLOR BOD5 (incubation with Winkler bottles) tube test ...more

Picture of NANOCOLOR BOD5 (incubation with Winkler bottles) tube test range: 2-3000 mg/L O2  25-50 Tests
£71.35 (exc. VAT)

£85.62 (inc. VAT)
1 in range Details

NANOCOLOR Cadmium 2 tube test range: 0.05-2.00 mg/L Cd2+ 10 ...more

Picture of NANOCOLOR Cadmium 2 tube test range: 0.05-2.00 mg/L Cd2+  10-19 Tests
£66.58 (exc. VAT)

£79.90 (inc. VAT)
1 in range Details

NANOCOLOR Cadmium compensation reagent for zinc test 0-42 20 ...more

Picture of NANOCOLOR Cadmium compensation reagent for zinc test 0-42 20 NANOFIX capsules
£25.60 (exc. VAT)

£30.72 (inc. VAT)
1 in range Details

NANOCOLOR Calibration tube

Picture of NANOCOLOR Calibration tube
£17.99 (exc. VAT)

£21.59 (inc. VAT)
1 in range Details

NANOCOLOR Chloride

Picture of NANOCOLOR Chloride
From
£51.59 (exc. VAT)

£61.91 (inc. VAT)
2 in range Details

NANOCOLOR Chloride complexing agent for COD determination

Picture of NANOCOLOR Chloride complexing agent for COD determination
£60.55 (exc. VAT)

£72.66 (inc. VAT)
1 in range Details

NANOCOLOR Chloride detection kit for AOX Tests with high ...more

Picture of NANOCOLOR Chloride detection kit for AOX Tests with high chloride contents pack of 10 mL
£27.35 (exc. VAT)

£32.82 (inc. VAT)
1 in range Details

NANOCOLOR Chlorine/Ozone 2 tube test range: 0.05-2.50 mg/L ...more

Picture of NANOCOLOR Chlorine/Ozone 2 tube test range: 0.05-2.50 mg/L Cl2;  0.05-2.00 mg/L O3  20 Tests
£27.74 (exc. VAT)

£33.29 (inc. VAT)
1 in range Details

NANOCOLOR Chromate 5 tube test: Cr(Vl); CrO42- 20 Tests

Picture of NANOCOLOR Chromate 5 tube test: Cr(Vl); CrO42-  20 Tests
£54.42 (exc. VAT)

£65.30 (inc. VAT)
1 in range Details

NANOCOLOR COD Tests

Picture of NANOCOLOR COD Tests
From
£66.00 (exc. VAT)

£79.20 (inc. VAT)
14 in range Details

NANOCOLOR COD-free water pack of 50 mL, glass bottle

Picture of NANOCOLOR COD-free water pack of 50 mL, glass bottle
£17.91 (exc. VAT)

£21.49 (inc. VAT)
1 in range Details

NANOCOLOR Complexing agents 10 tube test, for screening ...more

Picture of NANOCOLOR Complexing agents 10 tube test, for screening range: 0.5-10.0 mg/L IBiK  10-19 Tests
£45.56 (exc. VAT)

£54.67 (inc. VAT)
1 in range Details

NANOCOLOR Copper Tests

Picture of NANOCOLOR Copper Tests
From
£69.70 (exc. VAT)

£83.64 (inc. VAT)
2 in range Details

NANOCOLOR DEHA 1 tube test range: 0.05-1.00 mg/L DEHA 20 ...more

Picture of NANOCOLOR DEHA 1 tube test range: 0.05-1.00 mg/L DEHA  20 Tests
£69.99 (exc. VAT)

£83.99 (inc. VAT)
1 in range Details

NANOCOLOR Disposable plastic cells optical path: 10 mm, pack ...more

Picture of NANOCOLOR Disposable plastic cells optical path: 10 mm, pack of 100
£31.39 (exc. VAT)

£37.67 (inc. VAT)
1 in range Details

NANOCOLOR Ethanol 1000 tube test range: 0.10-1.00 g/L EtOH; ...more

Picture of NANOCOLOR Ethanol 1000 tube test range: 0.10-1.00 g/L EtOH;  0.013-0.130 Vol. % EtOH  23 Tests
£114.38 (exc. VAT)

£137.26 (inc. VAT)
1 in range Details

NANOCOLOR Fluoride 2 tube test range: 0.1-2.0 mg/L F- 20 ...more

Picture of NANOCOLOR Fluoride 2 tube test range: 0.1-2.0 mg/L F-  20 Tests
£56.36 (exc. VAT)

£67.63 (inc. VAT)
1 in range Details

NANOCOLOR Formaldehyde Tests

Picture of NANOCOLOR Formaldehyde Tests
From
£57.04 (exc. VAT)

£68.45 (inc. VAT)
2 in range Details

NANOCOLOR Hardness 20 tube test range: 1.25-25.00 °e; 0.2-3 ...more

Picture of NANOCOLOR Hardness 20 tube test range: 1.25-25.00 °e;  0.2-3.6 mmol/L  20 Tests
£54.42 (exc. VAT)

£65.30 (inc. VAT)
1 in range Details

NANOCOLOR Hardness tube test range: 5-50 mg/L Mg2+; 10-100 ...more

Picture of NANOCOLOR Hardness tube test range:  5-50 mg/L Mg2+;  10-100 mg/L Ca2+  20 Tests
£54.42 (exc. VAT)

£65.30 (inc. VAT)
1 in range Details

NANOCOLOR Heating Blocks

Picture of NANOCOLOR Heating Blocks
From
£404.80 (exc. VAT)

£485.76 (inc. VAT)
7 in range Details

NANOCOLOR hydrocarbons Reagent set for extraction HC from ...more

Picture of NANOCOLOR hydrocarbons Reagent set for extraction HC from soil pack of 20 sample
From
£207.64 (exc. VAT)

£249.17 (inc. VAT)
2 in range Details

NANOCOLOR Iron 3 tube test range: 0.10-3.00 mg/L Fe; 0.02-1 ...more

Picture of NANOCOLOR Iron 3 tube test range: 0.10-3.00 mg/L Fe;  0.02-1.00 mg/L Fe  20 Tests
£56.36 (exc. VAT)

£67.63 (inc. VAT)
1 in range Details

NANOCOLOR Isobutylmethylketone additional reagent ...more

Picture of NANOCOLOR Isobutylmethylketone additional reagent forNANOCOLOR Phenol-Index test 0-74 pack of 100 Ml
£14.02 (exc. VAT)

£16.82 (inc. VAT)
1 in range Details

NANOCOLOR Manganese 10 tube test range: 0.1-10.0 mg/L Mn; 0 ...more

Picture of NANOCOLOR Manganese 10 tube test range: 0.1-10.0 mg/L Mn;  0.02-2.00 mg/L Mn  20 Tests
£68.14 (exc. VAT)

£81.77 (inc. VAT)
1 in range Details

NANOCOLOR Membrane filtration kit with 2 syringes 20 mL, 25 ...more

Picture of NANOCOLOR Membrane filtration kit with 2 syringes 20 mL, 25 CHROMAFIL membrane filters 1.2 µm
£67.73 (exc. VAT)

£81.28 (inc. VAT)
1 in range Details

NANOCOLOR Methanol 15 tube test range: 0.2-15.0 mg/L MeOH ...more

Picture of NANOCOLOR Methanol 15 tube test range: 0.2-15.0 mg/L MeOH  23 Tests
£114.38 (exc. VAT)

£137.26 (inc. VAT)
1 in range Details

NANOCOLOR Molybdenum 40 tube test range: 1.0-40.0 mg/L ...more

Picture of NANOCOLOR Molybdenum 40 tube test range: 1.0-40.0 mg/L Mo(VI);  1.6-65.0 mg/L MoO42-  20 Tests
£58.80 (exc. VAT)

£70.56 (inc. VAT)
1 in range Details

NANOCOLOR NanOx Metal pack of 30 g decomposition and 15 g ...more

Picture of NANOCOLOR NanOx Metal pack of 30 g decomposition and 15 g neutralization reagents with micro spoon
£50.62 (exc. VAT)

£60.74 (inc. VAT)
1 in range Details

NANOCOLOR NanOx N pack of 30 g decomposition reagent and 25 ...more

Picture of NANOCOLOR NanOx N pack of 30 g decomposition reagent and 25 g compensation reagent with spoon
£50.62 (exc. VAT)

£60.74 (inc. VAT)
1 in range Details

NANOCOLOR Nickel 4 tube test range: 0.10-7.00 mg/L Ni2+; ...more

Picture of NANOCOLOR Nickel 4 tube test range: 0.10-7.00 mg/L Ni2+;  0.02-1.00 mg/L Ni2+  20 Tests
£67.56 (exc. VAT)

£81.07 (inc. VAT)
1 in range Details

NanoColor Nickel 7 Test Tube Pack of 20

Picture of NanoColor Nickel 7 Test Tube Pack of 20
£0.00 (exc. VAT)

£0.00 (inc. VAT)
1 in range Details

NANOCOLOR Nitrate blank value cuvette for all NANOCOLOR ...more

Picture of NANOCOLOR Nitrate blank value cuvette for all NANOCOLOR nitrate tube tests
£17.99 (exc. VAT)

£21.59 (inc. VAT)
1 in range Details

NANOCOLOR Nitrate for examination on Skalar robots Tube test ...more

Picture of NANOCOLOR Nitrate for examination on Skalar robots Tube test with Barcode
From
£74.08 (exc. VAT)

£88.90 (inc. VAT)
2 in range Details

NANOCOLOR Nitrate Tests

Picture of NANOCOLOR Nitrate Tests
From
£74.08 (exc. VAT)

£88.90 (inc. VAT)
3 in range Details

NANOCOLOR Nitrate Z standard test range: 0.02-1.0 mg/L NO3-N ...more

Picture of NANOCOLOR Nitrate Z standard test range: 0.02-1.0 mg/L NO3-N;  0.1-5.0 mg/L NO3-  500 Tests
£82.55 (exc. VAT)

£99.06 (inc. VAT)
1 in range Details

NANOCOLOR Nitrite 2 for examination on Skalar robots Tube ...more

Picture of NANOCOLOR Nitrite 2 for examination on Skalar robots Tube test with Barcode pack of 20 tests
£55.78 (exc. VAT)

£66.94 (inc. VAT)
1 in range Details

NANOCOLOR Nitrite Tests

Picture of NANOCOLOR Nitrite Tests
From
£55.78 (exc. VAT)

£66.94 (inc. VAT)
2 in range Details

NANOCOLOR Nonionic surfactants 15 tube test range: 0.3-15.0 ...more

Picture of NANOCOLOR Nonionic surfactants 15 tube test range: 0.3-15.0 mg7L Triton X-100  20 Tests
£82.26 (exc. VAT)

£98.71 (inc. VAT)
1 in range Details

NANOCOLOR Nutrient mixture PLUS with NATH, for BOD5 ...more

Picture of NANOCOLOR Nutrient mixture PLUS with NATH, for BOD5 determination pack with 20 vials
£34.27 (exc. VAT)

£41.12 (inc. VAT)
1 in range Details

NANOCOLOR Nutrient mixture without NATH for preparation of ...more

Picture of NANOCOLOR Nutrient mixture without NATH for preparation of inoculating water for BOD5  20 vials
£34.27 (exc. VAT)

£41.12 (inc. VAT)
1 in range Details

NANOCOLOR Organic acids 3000 tube test 20 Tests

Picture of NANOCOLOR Organic acids 3000 tube test  20 Tests
£72.62 (exc. VAT)

£87.14 (inc. VAT)
1 in range Details

NANOCOLOR ortho & total Phosphate 45 tube test range: 5.0-50 ...more

Picture of NANOCOLOR ortho & total Phosphate 45 tube test range: 5.0-50.0 mg/L P;  15-150 mg/L PO43-  20 Tests
£71.74 (exc. VAT)

£86.09 (inc. VAT)
1 in range Details

NANOCOLOR ortho & total Phosphate range: 0.30-15.00 mg/L P; ...more

Picture of NANOCOLOR ortho & total Phosphate range: 0.30-15.00 mg/L P;  1.0-45.0 mg/L PO43-  20 Tests
£71.74 (exc. VAT)

£86.09 (inc. VAT)
1 in range Details

NANOCOLOR ortho and total Phosphate 5 tube test 20 Tests

Picture of NANOCOLOR ortho and total Phosphate 5 tube test  20 Tests
£71.74 (exc. VAT)

£86.09 (inc. VAT)
1 in range Details

NANOCOLOR ortho and total Phosphate LR 1 tube test range: ...more

Picture of NANOCOLOR ortho and total Phosphate LR 1 tube test range: 0.05-0.50 mg/L P   20 Tests
£71.74 (exc. VAT)

£86.09 (inc. VAT)
1 in range Details

NANOCOLOR ortho Phosphate Standard Test

Picture of NANOCOLOR ortho Phosphate Standard Test
From
£55.39 (exc. VAT)

£66.47 (inc. VAT)
2 in range Details

NANOCOLOR orthoand total Phosphate 50 tube test 19 Tests

Picture of NANOCOLOR orthoand total Phosphate 50 tube test  19 Tests
£53.05 (exc. VAT)

£63.66 (inc. VAT)
1 in range Details

NANOCOLOR Oxygen 12 tube test range: 0.5-12.0 mg/L O2 22 ...more

Picture of NANOCOLOR Oxygen 12 tube test range: 0.5-12.0 mg/L O2  22 Tests
£69.41 (exc. VAT)

£83.29 (inc. VAT)
1 in range Details

NANOCOLOR Oxygen bottles acc. to Winkler for BOD5 ...more

Picture of NANOCOLOR Oxygen bottles acc. to Winkler for BOD5 determination, pack of 4
£132.99 (exc. VAT)

£159.59 (inc. VAT)
1 in range Details

NANOCOLOR Peroxide 2 tube test range: 0.03-2.00 mg/L H2O2 ...more

Picture of NANOCOLOR Peroxide 2 tube test range: 0.03-2.00 mg/L H2O2  10-19 Tests
£53.73 (exc. VAT)

£64.48 (inc. VAT)
1 in range Details

NANOCOLOR pH 6.5-8.2 tube test range: pH 6.5-8.2 100 Tests

Picture of NANOCOLOR pH 6.5-8.2 tube test range: pH 6.5-8.2  100 Tests
£36.60 (exc. VAT)

£43.92 (inc. VAT)
1 in range Details

NANOCOLOR Phenolic index 5 tube test range: 0.2-5.0 mg/L ...more

Picture of NANOCOLOR Phenolic index 5 tube test range: 0.2-5.0 mg/L Phenol  20 Tests
£59.77 (exc. VAT)

£71.72 (inc. VAT)
1 in range Details

NANOCOLOR Photometers

Picture of NANOCOLOR Photometers
From
£481.06 (exc. VAT)

£577.27 (inc. VAT)
8 in range Details

NANOCOLOR POC 200 tube test range: 20-200 mg/L POC; 2-40 mg ...more

Picture of NANOCOLOR POC 200 tube test range: 20-200 mg/L POC;  2-40 mg/L KWI  20 Tests
£63.47 (exc. VAT)

£76.16 (inc. VAT)
1 in range Details

NANOCOLOR Residual hardness 1 tube test range: 0.03-1.25 °e; ...more

Picture of NANOCOLOR Residual hardness 1 tube test range: 0.03-1.25 °e;  0.004-0.180 mmol/L  20 Tests
£59.58 (exc. VAT)

£71.50 (inc. VAT)
1 in range Details

NANOCOLOR Silica-free water pack of 1000 ml

Picture of NANOCOLOR Silica-free water pack of 1000 ml
£16.84 (exc. VAT)

£20.21 (inc. VAT)
1 in range Details

NANOCOLOR STANDARD TESTS

Picture of NANOCOLOR STANDARD TESTS
From
£50.43 (exc. VAT)

£60.52 (inc. VAT)
25 in range Details

NANOCOLOR Starch 100 tube test range: 5-100 mg/L starch 19 ...more

Picture of NANOCOLOR Starch 100 tube test range: 5-100 mg/L starch  19 Tests
£61.91 (exc. VAT)

£74.29 (inc. VAT)
1 in range Details
1 2 Next

Live Help

Friendly advice from
our support team.

 

Contact

Tel: 01954 233 110
Fax: 01954 233 101
sales@camlab.co.uk

Service

Whatever you require
we can help.

Support

Technical support, and
custom engineering.

Tell us how we are doing and win an AMAZON ECHO SHOW Speaker

 

picWe would appreciate your feedback.







Start now

No, thank you.