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CHROMATOGRAMS, COLUMNS & GUARDSCATION-EXCHANGE COLUMNS & GUARDS CATALOG INFORMATIONCATALOG NO.DESCRIPTIONLITHIUM AMINO ACID ANALYSIS COLUMNS0354100T0354675THigh-efficiency Lithium Cation-exchange Column 4.0 x 100 mm &1700-0070 amino acid test mixture70 min High-efficiency Lithium Ion-exchange Column, 4.6 x 75 mm0393250 Standard Lithium Cation-exchange Column 3.0 x 250 mm &1700-0070 amino acid test mixture0354050 High-efficiency Cation-exchange Column for PKU and MSUD screens 4.0 x 50 mm0352020 Lithium Guard Column, 2.0 x 20 mm (for use with 0354100T)0392020 Lithium Guard Column, 2.0 x 20 mm (for use with 0393250 column)11541501154150T1154110TSODIUM AMINO ACID ANALYSIS COLUMNSHigh-efficiency Sodium Cation-exchange for protein collagen hydrolysates Column 4.0 × 150 mm & 1700-0070amino acid test mixtureHigh-efficiency Sodium Cation-exchange for protein, collagen and oxidized feed hydrolysates Column 4.0 × 150 mm &1700-0070 amino acid test mixture30-minute High-efficiency Sodium Cation-exchange Column 4.6 × 110 mm & 1700-0070 amino acid test mixture1193250 Standard Sodium Cation-exchange Column 3.0 × 250 mm & 1700-0070 amino acid test mixture1193020 Sodium Guard Column, 3.0 × 20 mm (for use with 1154150 and 1154150T Columns)1192020 Sodium Guard Column, 2.0 × 20 mm (for use with 1193250 Column)GLYPHOSATE COLUMNS1954150 Cation-exchange Column for Glyphosate analysis, 4 × 150 mm & 1700-0080 Glyphosate test mixture, 2.5 µg/mL, 1.5 mL1953020 Cation-exchange Guard Column, 3.0 × 20 mm1952150 Micro Cation-exchange Column, K+ form, 2.1 × 150 mm & 1700-0080 Glyphosate test mixture, 2.5 µg/mL, 1.5 mL1954250 Column, Glyphosate 4 x 250 mm & 1700-0080 Glyphosate test mixture, 2.5 µg/mL, 1.5 mLALKION COLUMN9410917 ALKION Cation-exchange column, K form, 4.0 × 150 mm9493020 ALKION Guard column, K form, 3.0 × 20 mmGARD COLUMN PROTECTION SYSTEM (FOR USE WITH ANY CATION-EXCHANGE COLUMN)1700-3102 Cation-exchange GARD Assembly: Includes holder and 2 replaceable GARDS1700-3101 Replacement Cation-exchange GARDs (2/PK)1700-3100 GARD Holder