C4H4KNaO6·4H2O
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1.01560.010 | ËÄË®ºÏ¾ÆÊ¯Ëá¼ØÄÆ | AR500g |
1.01560.020 | ËÄË®ºÏ¾ÆÊ¯Ëá¼ØÄÆ | CP500g |
1.01560.030 | ËÄË®ºÏ¾ÆÊ¯Ëá¼ØÄÆ | AR25kg/Ͱ |
1.01560.040 | ËÄË®ºÏ¾ÆÊ¯Ëá¼ØÄÆ | CP25kg/Ͱ |
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pHÖµ£º6.5-8.5(50 g/L H2O£¬25¡æ)
ÈÛµã(¡æ)£º70-80 ¡¡¡¡
ËÉ×°Ãܶȣº¡«1000 kg/m3
ÏûÈÚÐÔ£º Ë®(20¡æ) 630 g/L
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ÊÖÒÕÖ¸±ê£ºÏîÄ¿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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