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  • Ó¢ÎÄÃû£ºSodium potassium tartratetetrahydrate
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ÏîÄ¿Ãû³ÆItem                   ÆÊÎö´¿AR »¯Ñ§´¿CP
º¬Á¿Assay(C4H4O6KNa•4H2O)       ≥99.0% ≥98.5%
pHÖµ(50g/LÈÜÒº£¬25¡æ)pH-value(50g/L solution,25¡æ) 6.5¡«8.5 6.5¡«8.5
³ÎÇå¶ÈÊÔÑéClarity of solution   ≤3 ≤5
Ë®²»ÈÜÎïInsoluble matter in water ≤0.005% ≤0.01%
ÂÈ»¯ÎïChloride(Cl)              ≤0.001% ≤0.005%
ÁòËáÑÎSulfate(SO4)              ≤0.005% ≤0.03%
×ܵªÁ¿Total nitrogen(N)         ≤0.005% ≤0.01%
Á×ËáÑÎ (ÒÔPO4¼Æ) Phosphate(as PO4) ≤0.001% --
¹èËáÑÎ(ÒÔSiO3¼Æ)Silicate(as SiO3) ≤0.005% --
¸ÆCalcium(Ca)                   ≤0.002% ≤0.005%
ÌúIron(Fe)                      ≤0.0005% ≤0.002%
Í­Copper(Cu)                    ≤0.0005% ≤0.001%
ǦLead(Pb)                      ≤0.0005% ≤0.001%

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