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GB/T 5496-1985 PDF EnglishSearch result: GB/T 5496-1985
GB/T5496-1985 (GBT5496-1985): PDF in EnglishGB 5496-85 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA UDC (633.1 + 633.85) .001.4 GB 5496-85 Inspection of grain and oilseeds - Methods for determination of yellow-colored rice and cracked kernels Issued on. November 2, 1985 Implemented on. July 1, 1986 Issued by. National Bureau of Standard GB 5496-85 Inspection of grain and oilseeds - Methods for determination of yellow-colored rice and cracked kernels This Standard applies to the inspection of yellow-colored rice and cracked kernels of commercial paddy and rice. 1 Inspection of paddy yellow-colored rice 1.1 Instruments and apparatuses 1.1.1 Balances. sensitivity is 0.01 g; 1.1.2 Laboratory rice mills; 1.1.3 Analysis plates, tweezers, etc. 1.2 Operating method After measuring the brown rice rate of paddy, use a small rice mill to mill its brown rice sample approximately to the precision of standard second-grade rice. Remove rice bran powder; weigh (W) sample weight; then pick out yellow-colored rice; and weigh (W1). 1.3 Calculation of result The yellow-colored rice content of paddy is calculated according to Equation (1). Yellow-colored rice (%) = where, W1 – the weight of yellow-colored rice, g; W – the weight of sample, g. The allowable difference between two inspection results shall not exceed 0.3%; obtain their average, i.e. the inspection result. The inspection result is rounded off to the first decimal place. 2 Inspection of rice yellow-colored 2.1 Operating method Take amount 50 g of rice sample or pick out yellow-colored rice as specified (yellow .......Source: https://www.ChineseStandard.net/PDF.aspx/GBT5496-1985 |