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SULFUR CERTIFIED REFERENCE MATERIALS

Standards and Reference Materials

Testing Kits For Sulfur in Light Mineral Oil, Sulfer In Heavy Mineral Oil,
Sulfur in Synthetic Diesel & Sulfur in Odourless Kerosene

All UKAS ISO 17025/ISO 17034 Certified, 100mL

LMSU-01 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.0005 % (5ppm)

LMSU-02 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.0010 % (10ppm)

LMSU-03 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.0025 % (25ppm)

LMSU-04 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.0050 % (50ppm)

LMSU-05 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.0100 % (100ppm)

LMSU-06 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.0250 % (250ppm)

LMSU-07 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.0300 % (300ppm)

LMSU-08 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.0500 % (500ppm)

LMSU-09 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.0700 % (700ppm)

LMSU-10 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.0750 % (750ppm)

LMSU-11 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.1000 % (1000ppm)

LMSU-12 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.2500 % (2500ppm)

LMSU-13 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.3000 % (3000ppm)

LMSU-14 Sulfur Certified Reference Material, Sulfur in light mineral oil, 0.5000 % (5000ppm)

LMSU-15 Sulfur Certified Reference Material, Sulfur in light mineral oil, 1.0000 % (10000ppm)

LMSU-16 Sulfur Certified Reference Material, Sulfur in light mineral oil, 1.5000 % (15000ppm)

LMSU-17 Sulfur Certified Reference Material, Sulfur in light mineral oil, 2.0000 % (20000ppm)

LMSU-18 Sulfur Certified Reference Material, Sulfur in light mineral oil, 3.0000 % (30000ppm)

LMSU-19 Sulfur Certified Reference Material, Sulfur in light mineral oil, 4.0000 % (40000ppm)

LMSU-20 Sulfur Certified Reference Material, Sulfur in light mineral oil, 5.0000 % (50000ppm)

LMSU-BLK – Sulfur Certified Reference Material, Sulfur in light mineral oil, Blank.

 

 

All Sulfur Certified Reference Materials, UKAS ISO 17025 and ISO 17034 Certified

GOSU-01 Sulfur in Synthetic Diesel, 0.0005 % (5ppm), 100mL.

GOSU-02 Sulfur in Synthetic Diesel, 0.0010 % (10ppm), 100mL.

GOSU-03 Sulfur in Synthetic Diesel, 0.0025 % (25ppm), 100mL.

GOSU-04 Sulfur in Synthetic Diesel, 0.0050 % (50ppm), 100mL.

GOSU-05 Sulfur in Synthetic Diesel, 0.0100 % (100ppm), 100mL.

GOSU-06 Sulfur in Synthetic Diesel, 0.0250 % (250ppm), 100mL.

GOSU-07 Sulfur in Synthetic Diesel, 0.0300 % (300ppm), 100mL.

GOSU-08 Sulfur in Synthetic Diesel, 0.0500 % (500ppm), 100mL.

GOSU-09 Sulfur in Synthetic Diesel, 0.0700 % (700ppm), 100mL.

GOSU-10 Sulfur in Synthetic Diesel, 0.0750 % (750ppm), 100mL.

GOSU-11 Sulfur in Synthetic Diesel, 0.1000 % (1000ppm), 100mL.

GOSU-12 Sulfur in Synthetic Diesel, 0.2500 % (2500ppm), 100mL.

GOSU-13 Sulfur in Synthetic Diesel, 0.3000 % (3000ppm), 100mL.

GOSU-14 Sulfur in Synthetic Diesel, 0.5000 % (5000ppm), 100mL.

GOSU-15 Sulfur in Synthetic Diesel, 1.0000 % (10000ppm), 100mL.

GOSU-16 Sulfur in Synthetic Diesel, 1.5000 % (15000ppm), 100mL.

GOSU-17 Sulfur in Synthetic Diesel, 2.0000 % (20000ppm), 100mL.

GOSU-18 Sulfur in Synthetic Diesel, 3.0000 % (30000ppm), 100mL.

GOSU-19 Sulfur in Synthetic Diesel, 4.0000 % (40000ppm), 100mL.

GOSU-20 Sulfur in Synthetic Diesel, 5.0000 % (50000ppm), 100mL.

GOSU-BLK Sulfur in Synthetic Diesel, Blank. 100mL.

ASTM D2622
D2622-LMSUA Calibration Set A: Blank, 0.0005 % (5ppm) 0.0010 % (10ppm) 0.0100 % (100ppm) 0.0250 % (250ppm) 0.0500 % (500ppm) 0.0750 % (750ppm) 0.1000 % (1000ppm).

D2622-LMSUB Calibration Set B: 0.1000 % (1000ppm) 0.2500 % (2500ppm) 0.5000 % (5000ppm) 1.0000 % (10000ppm).

D2622-LMSUC Calibration Set C: 1.0000 % (10000ppm) 2.0000 % (20000ppm) 3.0000 % (30000ppm) 4.0000 % (40000ppm) 5.0000 % (50000ppm) .

ASTM D4294
D4294-LMSUA Calibration Set A: Blank, 0.0005 % (5ppm) 0.0010 % (10ppm) 0.0100 % (100ppm) 0.0250 % (250ppm) 0.0500 % (500ppm) 0.0750 % (750ppm) 0.1000 % (1000ppm).

D4294-LMSUB Calibration Set B: 0.1000 % (1000ppm) 0.2500 % (2500ppm) 0.5000 % (5000ppm) 1.0000 % (10000ppm).

D4294-LMSUC Calibration Set C: 1.0000 % (10000ppm) 2.0000 % (20000ppm) 3.0000 % (30000ppm) 4.0000 % (40000ppm) 5.0000 % (50000ppm) .

ASTM D7039
D7039-LMSUA Calibration Set A: Blank, 0.0005 % (5ppm) 0.0050 % (50ppm) 0.0250 % (250ppm) 0.0500 % (500ppm).

D7039-LMSUB Calibration Set B: Blank, 0.0025 % (25ppm) 0.0100 % (100ppm) 0.0500 % (500ppm) 0.1000 % (1000ppm) 0.3000 % (3000ppm).

ASTM D7220
D7220-LMSUA Calibration Set A: Blank, 0.0005 % (5ppm) 0.0010 % (10ppm) 0.0025 % (25ppm) 0.0050 % (50ppm).

D7220-LMSUB Calibration Set B: 0.0050 % (50ppm) 0.0100 % (100ppm) 0.0250 % (250ppm) 0.0500 % (500ppm) 0.0750 % (750ppm) 0.1000 % (1000ppm).

IP 336
IP336-LMSUA Calibration Set A: Blank, 0.0300 % (300ppm) 0.0500 % (500ppm) 0.0700 % (700ppm) 0.1000 % (1000ppm).

IP336-LMSUB Calibration Set B: Blank, 0.1000 % (1000ppm) 0.3000 % (3000ppm) 0.5000 % (5000ppm).

IP336-LMSUC Calibration Set C: 0.5000 % (5000ppm) 1.0000 % (10000ppm) 1.5000 % (15000ppm) 2.0000 % (20000ppm).

IP336-LMSUD Calibration Set D: 2.0000 % (20000ppm) 3.0000 % (30000ppm) 4.0000 % (40000ppm) 5.0000 % (50000ppm).

IP336-LMSUE Calibration Set E: Blank, 0.0300 % (300ppm) 0.0500 % (500ppm) 0.0700 % (700ppm) 0.1000 % (1000ppm) 0.3000 % (3000ppm) 0.5000 % (5000ppm).

IP336-LMSUF Calibration Set F: 0.5000 % (5000ppm) 1.0000 % (10000ppm) 1.5000 % (15000ppm) 2.0000 % (20000ppm) 3.0000 % (30000ppm) 4.0000 % (40000ppm) 5.0000 % (50000ppm).

IP 496
IP496-LMSUA Calibration Set A: Blank, 0.0100 % (100ppm) 0.0300 % (300ppm) 0.0500 % (500ppm) 0.0700 % (700ppm) 0.1000 % (1000ppm).

IP 497
IP497-LMSUA Calibration Set A: Blank, 0.0050 % (50ppm) 0.0100 % (100ppm) 0.0250 % (250ppm) 0.0300 % (300ppm) 0.0500 % (500ppm).

ASTM D2622     

D2622-GOSUA    Calibration Set A: Blank, 0.0005 % (5ppm), 0.0010 % (10ppm), 0.0100 % (100ppm), 0.0250 % (250ppm), 0.0500 % (500ppm),  0.0750 % (750ppm), 0.1000 % (1000ppm).

D2622-GOSUB    Calibration Set B:  0.1000 % (1000ppm), 0.2500 % (2500ppm), 0.5000 % (5000ppm), 1.0000 % (10000ppm).

D2622-GOSUC    Calibration Set C:  1.0000 % (10000ppm), 2.0000 % (20000ppm), 3.0000 % (30000ppm), 4.0000 % (40000ppm), 5.0000 % (50000ppm) .

 

ASTM D4294     

D4294-GOSUA    Calibration Set A: Blank, 0.0005 % (5ppm), 0.0010 % (10ppm), 0.0100 % (100ppm), 0.0250 % (250ppm), 0.0500 % (500ppm),  0.0750 % (750ppm), 0.1000 % (1000ppm).

D4294-GOSUB    Calibration Set B:  0.1000 % (1000ppm), 0.2500 % (2500ppm), 0.5000 % (5000ppm), 1.0000 % (10000ppm).

D4294-GOSUC    Calibration Set C:  1.0000 % (10000ppm), 2.0000 % (20000ppm), 3.0000 % (30000ppm), 4.0000 % (40000ppm), 5.0000 % (50000ppm)

 

ASTM D7039     

D7039-GOSUA    Calibration Set A: Blank, 0.0005 % (5ppm), 0.0050 % (50ppm), 0.0250 % (250ppm), 0.0500 % (500ppm).

D7039-GOSUB    Calibration Set B: Blank, 0.0025 % (25ppm), 0.0100 % (100ppm),  0.0500 % (500ppm), 0.1000 % (1000ppm), 0.3000 % (3000ppm).

 

ASTM D7220     

D7220-GOSUA    Calibration Set A: Blank, 0.0005 % (5ppm), 0.0010 % (10ppm), 0.0025 % (25ppm), 0.0050 % (50ppm).

D7220-GOSUB    Calibration Set B:  0.0050 % (50ppm),  0.0100 % (100ppm), 0.0250 % (250ppm), 0.0500 % (500ppm), 0.0750 % (750ppm), 0.1000 % (1000ppm).

 

IP 336   

IP336-GOSUA     Calibration Set A: Blank, 0.0300 % (300ppm), 0.0500 % (500ppm), 0.0700 % (700ppm), 0.1000 % (1000ppm).

IP336-GOSUB     Calibration Set B: Blank, 0.1000 % (1000ppm), 0.3000 % (3000ppm), 0.5000 % (5000ppm).

IP336-GOSUC     Calibration Set C: 0.5000 % (5000ppm), 1.0000 % (10000ppm),  1.5000 % (15000ppm), 2.0000 % (20000ppm).

IP336-GOSUD     Calibration Set D:  2.0000 % (20000ppm), 3.0000 % (30000ppm), 4.0000 % (40000ppm), 5.0000 % (50000ppm)

IP336-GOSUE     Calibration Set E:  Blank, 0.0300 % (300ppm), 0.0500 % (500ppm), 0.0700 % (700ppm), 0.1000 % (1000ppm), 0.3000 % (3000ppm), 0.5000 % (5000ppm).

IP336-GOSUF      Calibration Set F:  0.5000 % (5000ppm), 1.0000 % (10000ppm), 1.5000 % (15000ppm), 2.0000 % (20000ppm), 3.0000 % (30000ppm), 4.0000 % (40000ppm), 5.0000 % (50000ppm).

 

IP 496   

IP496-GOSUA     Calibration Set A: Blank, 0.0100 % (100ppm), 0.0300 % (300ppm), 0.0500 % (500ppm), 0.0700 % (700ppm), 0.1000 % (1000ppm).

 

IP 497   

IP497-GOSUA     Calibration Set A: Blank, 0.0050 % (50ppm), 0.0100 % (100ppm), 0.0250 % (250ppm), 0.0300 % (300ppm), 0.0500 % (500ppm).

All UKAS ISO 17025/ISO 17034 Certified, 100mL

HMSU-01 – Sulfur Certified Reference Material. 0.0005 % (5ppm)

HMSU-02 – Sulfur Certified Reference Material. 0.0010 % (10ppm)

HMSU-03 – Sulfur Certified Reference Material. 0.0025 % (25ppm)

HMSU-04 – Sulfur Certified Reference Material. 0.0050 % (50ppm)

HMSU-05 – Sulfur Certified Reference Material. 0.0100 % (100ppm)

HMSU-06 – Sulfur Certified Reference Material. 0.0250 % (250ppm)

HMSU-07 -Sulfur Certified Reference Material. 0.0300 % (300ppm)

HMSU-08 – Sulfur Certified Reference Material. 0.0500 % (500ppm)

HMSU-09 – Sulfur Certified Reference Material. 0.0700 % (700ppm)

HMSU-10 – Sulfur Certified Reference Material. 0.0750 % (750ppm)

HMSU-11 – Sulfur Certified Reference Material. 0.1000 % (1000ppm)

HMSU-12 -Sulfur Certified Reference Material. 0.2500 % (2500ppm)

HMSU-13 – Sulfur Certified Reference Material. 0.3000 % (3000ppm)

HMSU-14 – Sulfur Certified Reference Material. 0.5000 % (5000ppm)

HMSU-15 – Sulfur Certified Reference Material. 1.0000 % (10000ppm)

HMSU-16 – Sulfur Certified Reference Material. 1.5000 % (15000ppm)

HMSU-17 – Sulfur Certified Reference Material. 2.0000 % (20000ppm)

HMSU-18 – Sulfur Certified Reference Material. 3.0000 % (30000ppm)

HMSU-19 – Sulfur Certified Reference Material. 4.0000 % (40000ppm)

HMSU-20 – Sulfur Certified Reference Material. 5.0000 % (50000ppm)

HMSU-BLK – Sulfur Certified Reference Material. Blank.

All UKAS ISO 17025 & ISO 17034 Certified, 100mL

KRSU-01             
Sulfur Certified Reference Material, 0.0005 % (5ppm)

KRSU-02             
Sulfur Certified Reference Material, 0.0010 % (10ppm), 100mL.

KRSU-03             
Sulfur Certified Reference Material, 0.0025 % (25ppm), 100mL.

KRSU-04             
Sulfur Certified Reference Material, 0.0050 % (50ppm), 100mL.

KRSU-05             
Sulfur Certified Reference Material, 0.0100 % (100ppm), 100mL.

KRSU-06             
Sulfur Certified Reference Material, 0.0250 % (250ppm), 100mL.

KRSU-07             
Sulfur Certified Reference Material, 0.0300 % (300ppm), 100mL.

KRSU-08             
Sulfur Certified Reference Material, 0.0500 % (500ppm), 100mL.

KRSU-09             
Sulfur Certified Reference Material, 0.0700 % (700ppm), 100mL.

KRSU-10             
Sulfur Certified Reference Material, 0.0750 % (750ppm), 100mL.

KRSU-11             
Sulfur Certified Reference Material, 0.1000 % (1000ppm), 100mL.

KRSU-12             
Sulfur Certified Reference Material, 0.2500 % (2500ppm), 100mL.

KRSU-13             
Sulfur Certified Reference Material, 0.3000 % (3000ppm), 100mL.

KRSU-14             
Sulfur Certified Reference Material, 0.5000 % (5000ppm), 100mL.

KRSU-15             
Sulfur Certified Reference Material, 1.0000 % (10000ppm), 100mL.

KRSU-16             
Sulfur Certified Reference Material, 1.5000 % (15000ppm), 100mL.

KRSU-17             
Sulfur Certified Reference Material, 2.0000 % (20000ppm), 100mL.

KRSU-18             
Sulfur Certified Reference Material, 3.0000 % (30000ppm), 100mL.

KRSU-19             
Sulfur Certified Reference Material, 4.0000 % (40000ppm), 100mL.

KRSU-20             
Sulfur Certified Reference Material, 5.0000 % (50000ppm), 100mL.

KRSU-BLK           
Sulfur Certified Reference Material, Blank. 100mL.

ASTM D2622
D2622-HMSUA Calibration Set A: Blank, 0.0005 % (5ppm) 0.0010 % (10ppm) 0.0100 % (100ppm) 0.0250 % (250ppm) 0.0500 % (500ppm) 0.0750 % (750ppm) 0.1000 % (1000ppm).

D2622-HMSUB Calibration Set B: 0.1000 % (1000ppm) 0.2500 % (2500ppm) 0.5000 % (5000ppm) 1.0000 % (10000ppm).

D2622-HMSUC Calibration Set C: 1.0000 % (10000ppm) 2.0000 % (20000ppm) 3.0000 % (30000ppm) 4.0000 % (40000ppm) 5.0000 % (50000ppm).

ASTM D4294
D4294-HMSUA Calibration Set A: Blank, 0.0005 % (5ppm) 0.0010 % (10ppm) 0.0100 % (100ppm) 0.0250 % (250ppm) 0.0500 % (500ppm) 0.0750 % (750ppm) 0.1000 % (1000ppm).

D4294-HMSUB Calibration Set B: 0.1000 % (1000ppm) 0.2500 % (2500ppm) 0.5000 % (5000ppm) 1.0000 % (10000ppm).

D4294-HMSUC Calibration Set C: 1.0000 % (10000ppm) 2.0000 % (20000ppm) 3.0000 % (30000ppm) 4.0000 % (40000ppm) 5.0000 % (50000ppm).

ASTM D7039
D7039-HMSUA Calibration Set A: Blank, 0.0005 % (5ppm) 0.0050 % (50ppm) 0.0250 % (250ppm) 0.0500 % (500ppm).

D7039-HMSUB Calibration Set B: Blank, 0.0025 % (25ppm) 0.0100 % (100ppm) 0.0500 % (500ppm) 0.1000 % (1000ppm) 0.3000 % (3000ppm).

ASTM D7220
D7220-HMSUA Calibration Set A: Blank, 0.0005 % (5ppm) 0.0010 % (10ppm) 0.0025 % (25ppm) 0.0050 % (50ppm).

D7220-HMSUB Set B: 0.0050 % (50ppm) 0.0100 % (100ppm) 0.0250 % (250ppm) 0.0500 % (500ppm) 0.0750 % (750ppm) 0.1000 % (1000ppm).

IP 336
IP336-HMSUA Calibration Set A: Blank, 0.0300 % (300ppm) 0.0500 % (500ppm) 0.0700 % (700ppm) 0.1000 % (1000ppm).

IP336-HMSUB Calibration Set B: Blank, 0.1000 % (1000ppm) 0.3000 % (3000ppm) 0.5000 % (5000ppm).

IP336-HMSUC Calibration Set C: 0.5000 % (5000ppm) 1.0000 % (10000ppm) 1.5000 % (15000ppm) 2.0000 % (20000ppm).

IP336-HMSUD Calibration Set D: 2.0000 % (20000ppm) 3.0000 % (30000ppm) 4.0000 % (40000ppm) 5.0000 % (50000ppm).

IP336-HMSUE Calibration Set E: Blank, 0.0300 % (300ppm) 0.0500 % (500ppm) 0.0700 % (700ppm) 0.1000 % (1000ppm) 0.3000 % (3000ppm) 0.5000 % (5000ppm).

IP336-HMSUF Calibration Set F: 0.5000 % (5000ppm) 1.0000 % (10000ppm) 1.5000 % (15000ppm) 2.0000 % (20000ppm) 3.0000 % (30000ppm) 4.0000 % (40000ppm) 5.0000 % (50000ppm)

IP 496
IP496-HMSUA Calibration Set A: Blank, 0.0100 % (100ppm) 0.0300 % (300ppm) 0.0500 % (500ppm) 0.0700 % (700ppm) 0.1000 % (1000ppm).

IP 497
IP497-HMSUA Calibration Set A: Blank, 0.0050 % (50ppm) 0.0100 % (100ppm) 0.0250 % (250ppm) 0.0300 % (300ppm) 0.0500 % (500ppm).

All 100mL each

ASTM D2622
D2622-KRSUA
Calibration Set A: Blank, 0.0005 % (5ppm), 0.0010 % (10ppm), 0.0100 % (100ppm), 0.0250 % (250ppm), 0.0500 % (500ppm), 0.0750 % (750ppm), 0.1000 % (1000ppm)

D2622-KRSUB
Calibration Set B: 0.1000 % (1000ppm), 0.2500 % (2500ppm), 0.5000 % (5000ppm), 1.0000 % (10000ppm)

D2622-KRSUC
Calibration Set C: 1.0000 % (10000ppm), 2.0000 % (20000ppm), 3.0000 % (30000ppm), 4.0000 % (40000ppm), 5.0000 % (50000ppm)

ASTM D4294
D4294-KRSUA
Calibration Set A: Blank, 0.0005 % (5ppm), 0.0010 % (10ppm), 0.0100 % (100ppm), 0.0250 % (250ppm), 0.0500 % (500ppm), 0.0750 % (750ppm), 0.1000 % (1000ppm)

D4294-KRSUB
Calibration Set B: 0.1000 % (1000ppm), 0.2500 % (2500ppm), 0.5000 % (5000ppm), 1.0000 % (10000ppm)

D4294-KRSUC
Calibration Set C: 1.0000 % (10000ppm), 2.0000 % (20000ppm), 3.0000 % (30000ppm), 4.0000 % (40000ppm), 5.0000 % (50000ppm)

ASTM D7039
D7039-KRSUA
Calibration Set A: Blank, 0.0005 % (5ppm), 0.0050 % (50ppm), 0.0250 % (250ppm), 0.0500 % (500ppm).

D7039-KRSUB
Calibration Set B: Blank, 0.0025 % (25ppm), 0.0100 % (100ppm), 0.0500 % (500ppm), 0.1000 % (1000ppm), 0.3000 % (3000ppm).

ASTM D7220
D7220-KRSUA
Calibration Set A: Blank, 0.0005 % (5ppm), 0.0010 % (10ppm), 0.0025 % (25ppm), 0.0050 % (50ppm).

D7220-KRSUB
Calibration Set B: 0.0050 % (50ppm), 0.0100 % (100ppm), 0.0250 % (250ppm), 0.0500 % (500ppm), 0.0750 % (750ppm), 0.1000 % (1000ppm).

IP 336
IP336-KRSUA
Calibration Set A: Blank, 0.0300 % (300ppm), 0.0500 % (500ppm), 0.0700 % (700ppm), 0.1000 % (1000ppm).

IP336-KRSUB
Calibration Set B: Blank, 0.1000 % (1000ppm), 0.3000 % (3000ppm), 0.5000 % (5000ppm).

IP336-KRSUC
Calibration Set C: 0.5000 % (5000ppm), 1.0000 % (10000ppm), 1.5000 % (15000ppm), 2.0000 % (20000ppm).

IP336-KRSUD
Calibration Set D: 2.0000 % (20000ppm), 3.0000 % (30000ppm), 4.0000 % (40000ppm), 5.0000 % (50000ppm).

IP336-KRSUE
Calibration Set E: Blank, 0.0300 % (300ppm), 0.0500 % (500ppm), 0.0700 % (700ppm), 0.1000 % (1000ppm), 0.3000 % (3000ppm), 0.5000 % (5000ppm).

IP336-KRSUF
Calibration Set F: 0.5000 % (5000ppm), 1.0000 % (10000ppm), 1.5000 % (15000ppm), 2.0000 % (20000ppm), 3.0000 % (30000ppm), 4.0000 % (40000ppm), 5.0000 % (50000ppm).

IP 496
IP496-KRSUA
Calibration Set A: Blank, 0.0100 % (100ppm), 0.0300 % (300ppm), 0.0500 % (500ppm), 0.0700 % (700ppm), 0.1000 % (1000ppm).

IP 497
IP497-KRSUA
Calibration Set A: Blank, 0.0050 % (50ppm), 0.0100 % (100ppm), 0.0250 % (250ppm), 0.0300 % (300ppm), 0.0500 % (500ppm).