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●Usage:Nitrogenous in agricultural industry.
●Packing:Net each in 50kg plastic woven bag, lined with PE bag.25mt/20’fcl.
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●Content (dry basis):≥ 98.0%
●Heavy metals (Pb dollars):≤ 0.001%
●Transmittance (E10% 1cm: 400nm):≥ 95%
●Loss on drying (105 ¡æ , 3h):≤ 1.0%
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●Product name:L-Tryptophan
●Packing:25kg/drum
●Specific rotation:-29.4°~-32.8°
●Chloride:≤0.05%
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●Item:Food Grade
●Clacial Acetic Acid ,%:99.5min
●Color:20max
●Heavy Metals (Pb) ,w/%:0.000 2% max
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●Appearance:White CRYSTAL SOLID
●Content (% ):99.0MIN
●MOISTURE(% ):9.5 max
●HEAVY METALS(% ):0.001 max
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●Free Acetic Acid (%):39.0- 41.0
●Sodium Acetate (%):58.0- 60.0
● Moisture (Karl Fischer method, %):2.0 Max
●PH (10% Solution):4.5- 5.0
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● Calcium Formate % min:98.0
● Ca % min:30.0
● Moisture % max:0.5
●Pb % max:0.002
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●Assay (as K4P2O7 800 °C for 0.5 hours) ,%:95.0Min
●P2O5, %:42.0-43.7
●pH Value ( 1% solution ):10.0 – 10.8
●Arsenic ( As ),mg/kg:1.0Max